Macy always thought there were only a few hair colors: blond, brown, and black. However, when she actually began looking around, she saw varying shades of these hair colors. What is possible reason for so many different hair colors?

Answers

Answer 1
Answer: A possible reason for different shades is the different genes received from their parents.
Answer 2

polygenic inheritance


Related Questions

1. What does aerobic refer to?
A. How your body uses oxygen
B. Limit the uses of oxygen
C. The absence of oxygen
D. With little available oxygen​

Answers

Answer:

A. How your body uses oxygen

Explanation:

Aerobic literally means "with oxygen", and refers to the use of oxygen in muscles' energy-generating process. Aerobic exercise includes any type of exercise, typically those performed at moderate levels of intensity for extended periods of time, that maintains an increased heart rate.

The correct answer to your question "What does aerobic refer to?" is: A. How your body uses oxygen.

Aerobic reaction can be defined as a biological and chemical reaction that occurs in the presence of oxygen.

On the other hand, an anaerobic reaction refers to a biological and chemical reaction that doesn't require oxygen such as glycolysis.

Some examples of an aerobic reaction include the following:

Krebs cycle.Electron transport chain.

In conclusion, aerobic refer to how the human body uses oxygen such as during physical exercises e.g running, walking, jogging, etc.

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PLS help me for my assignment, here's a lot of points :D

What are examples of social, ethical, economical and legal issues of embryonic screening?

Answers

Answer:

Privacy and Confidentiality. Privacy has many dimensions. ...

Socially Vulnerable Populations. ...

Health Insurance Discrimination. ...

Employment Discrimination. ...

Individual Responsibility. ...

Race and Ethnicity. ...

Implementation Issues.

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DUE RIGHT NOW
You know we have a ‘leap year’ every 4 years in February right? Make a guess- do you think these dates are exactly the same every year? *Explain completely*

Answers

These dates are not EXACTLY the same every year because each year starts off at a different day of the week, therefore, affecting the day February 29 will land on. This day is added to the calendar as a corrective measure since the Earth does not orbit the sun in precisely 365 days.

11. What is one of the benefits of sexual reproduction? 1​

Answers

produces genetic variation in the offspring

Answer:

One benefit of sexual reproduction is that your (or whoever is mating) genes will be passed on to your (their) children. If you want a specific trait to show (for example, in horses), then the two horses (say, long legs) with long legs would be bred together to get a horse with longer legs.

Stage 1 of Photosynthesis. Fill in the blank. ____________ in plant cells captures energy from _________.

Answers

Answer:

1st blank- chlorphyll

2nd blank: sun

Answer:

blank one the light dependent reaction blak two  chlorophyll

Explanation: hope this the right answer if it is not i'm sorry

The ADP-ATP cycle is critical to producing cell energy. What do you know about this cycle? (More than one answer)

1. On average, 34-36 molecules of ATP are gained through the process of aerobic cellular respiration from
one glucose molecule.

2. When phosphate is added to ADP, free energy from food sources is stored in the phosphate bond,
producing ATP.

3. The hydrolysis of ATP to ADP is reversible.

4. When a phosphate group is removed from ATP by hydrolysis, ADP is produced and energy is stored for
cellular processes.

5. Only aerobic cellular respiration is used to break down glucose into ATP that is usable by the cell.
6. Glycolysis is the first step in both aerobic and anaerobic cellular respiration.

Answers

The ADP-ATP cycle is critical to producing cell energy, it is known about this cycle -

1. On average, 34-36 molecules of ATP are gained through the process of aerobic cellular respiration from one glucose molecule.2. When phosphate is added to ADP, free energy from food sources is stored in the phosphate bond, producing ATP.3. The hydrolysis of ATP to ADP is reversible.6. Glycolysis is the first step in aerobic and anaerobic cellular respiration.

Cellular respiration

It includes biochemical reactions in which different organic compounds are entirely degraded, through oxidation, and converted into inorganic substances that serve as a source of usable energy for the cell.

It is of two two one takes place in the presence of oxygen, aerobic, and the other in absence of oxygen, anaerobic cell respiration. However, both processes involve glycolysis as their first step.

The production of energy requires ATP hydrolysis to the ADP where is the production of ATP takes place phosphate is added to ADP, free energy from food sources is stored in the phosphate bond.

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Some bacteria cells divide at a rate of

Answers

Answer:

Each daughter cell is a clone of the parent cell. When conditions are favorable such as the right temperature and nutrients are available, some bacteria like Escherichia coli can divide every 20 minutes. This means that in just seven hours one bacterium can generate 2,097,152 bacteria.

WILL GIVE BRAINLIEST!!!!!!!!
After a forest fire what would be the first change in a forest?

Pioneer species are established

A climax community is established

Wind carries seeds to the area and plants grow from these seeds

New soil forms from rock

Answers

Answer:

The answer is C: Wind Carries seeds to the area and plants grow from these seeds.

Explanation:

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Which sentence correctly explains the process and conditions needed for sleet to form? (15 pointsss :)

Group of answer choices:

A. During thunderstorms and extremely cold temperatures, water droplets freeze in layers and form balls or chunks of ice.

B. Both the temperature of the cloud and the temperature of the air must be below freezing in order for the flakes to fall from the sky.

C. A liquid form of precipitation that is formed in above freezing temperatures becomes heavier as it falls the ground in the form of raindrops.

D. Ice crystals melt as they fall through a warm layer of air and then refreeze into small ice pellets as they pass through a colder layer of air.

Answers

green was not the impostor

Explanation:

u are all idiots

Answer:

gerijddhbdykbzdkvci

Motion can be described through a change in ____.

Answers

Answer:

distance, velocity, acceleration, speed, and time

Explanation:

Which of the following best describes how the chemical energy travels up the food pyramid?

Answers

Answer:

Hope it help you

Stayhomestaysafe

Plz mark my answer brainliest✍️✍️

Explanation:

Chemical energy is used by each of the. organisms in the food pyramid, resulting in less. ... organisms in the food pyramid, resulting in more. energy as it moves up the pyramid.

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Relationship between Photosynthesis and Cellular Respiration Video and
POSSIBLE POINTS: 20
What is the relationship between photosynthesis and cellular respiration?
O
The reactants of cellular respiration are the products of photosynthesis and the reactants of photosynthesis are the products of cellular
respiration
The reactants of cellular respiration and photosynthesis are the same but their products are different
O Cellular respiration is one of the steps in the process of photosynthesis
ο ο
O Photosynthesis is one of the steps in the process of cellular respiration.
1 2 3 4 5
Rev

Answers

The reactants of cellular respiration are the products of photosynthesis, while the reactants of photosynthesis are the products of cellular respiration.

You are a scientist and would like to know if a new fertilizer will help plants grow faster. What would the experimental group be?

The plants that only get soil

The plants that only get water

The plants that get different amounts of the new fertilizer

Answers

Answer:

The plants that get different amounts of fertilizer.

What is the monomer of DNA and RNA? Which part is variable (can change)?

nucleotide, base
Onucleotide, phosphate
amino acid, R group
monosaccharide, sugar​

Answers

nucleotides are your monomer of DNA and RNA.

Answer:

nucleotide, phosphate

Explanation:

True of false: The wings on an airplane are flat.
1. False
2. True

Answers

Answer:

False

Explanation:

An airplane wing is round on top.

What groups of organisms are most in danger of extinction?

A. Those with small population
B. Those that migrate or need special habitats
C. Those with large populations that breed quickly
D. Both a and b

Answers

Explanation:

D.Both a and B

As organisms with small population and those who migrate and need special habitat are most in danger of extinction.

The group of organisms that are in danger of extinction is those that have small populations and those that migrate or need special habits. So the correct option is D.

What is the extinction of species?

In biology, extinction refers to the extinction or death of a species. Extinction happens when a species' numbers are reduced due to evolutionary changes in its members, such as genetic inbreeding, poor reproduction, and population decline, or due to environmental factors like habitat fragmentation, climate change, natural disasters, and overexploitation of the species for human use.

The majority of species that have ever existed on Earth have gone extinct, but the fossil record indicates five very significant extinctions, known as mass extinction events, each of which resulted in the extinction of enormous numbers of species. The bulk of extinctions, which happen continuously and are described as background extinctions, are separated from these glaring decreases in the variety by the term "mass extinction."

Therefore, the correct option is D.

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A food chain in an ecosystem flows from green algae, to freshwater snails, to small fish, and finally to large fish.

Answers

Answer:

The primary consumer would is freshwater snails.

Explanation:

Producers are organisms that produce their own food and not depends on any other organism by the process of photosynthesis such as algae. Primary organisms on the other hand directly depend on the producers for their food and often get killed by secondary consumers.

Freshwater snails are the perfect example of the primary consumer as they get their food and energy from algae and are the primary source of food and energy for small fishes.

I need help againnnnnn.....

Answers

Answer:

Compound are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances.

Explanation: brainliest?

countable and uncountable noun ten examples​

Answers

Answer:

Countable:  dogs, cats, sheep, trees, roads, signs, men, women, planets, universes

Uncountable:  rain, water, dirt, flour, wine, wood, plastic, glass, dust, grass

Explanation:

an xkmKJGWIgdK>kCKbmanvK.UEFIU;lage;kfkahefkj

Which of the following shows the correct genotypes of purebred individuals?

BB, bb, Bb

TT, Tt, Tt

Ss, Ss, ss

bb, BB, bb

Answers

it’s the fourth one!!

what does photosynthesis and cellular respiration have in common?​

Answers

Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose (Sugar) and oxygen.


Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.

Both use ATP (Adenosine triphosphate)

Some plants produce a _________________________ between the plasma membrane and the primary cell wall.

Answers

Answer: some plants produce a secondary cell wall between the plasma membrane and the cell wall

= secondary cell wall

Explanation:

Plants may grow faster if they have more
carbon dioxide.
Clear plastic bag
Indigestion tablets dissolve in water to form a
solution.
This solution slowly gives off carbon dioxide.
A student set up an investigation to see what
concentration of carbon dioxide is best for
increasing the growth of geranium plants.
Dish containing water
and one tablet
The student:
put a geranium plant in a clear plastic bag
put a dish containing water and one tablet in the bag and sealed the top of the bag.
The student:
set up 5 more experiments each with water and a different number of tablet and left all
the plants in a well-lit place for four weeks.
The student used a clear plastic bag, not a black plastic bag.
Explain why.

Answers

Answer:

the clear plastic bag is used for the sunlight penetration to allow photosynthesis to take place (i guess this is the answer I'm not sure tho but think about it) Black plastic bag would prevent the light penetration  

What is the percentage size difference between the giant dragonfly and the modern dragonfly?

Answers

Answer:

Giant Dragonfly - 2.5 FEET

Modern Dragon Fly - 1-4 Inches.

Explanation:

Size Difference in Percentage: The Giant Dragonfly is 250% - 160% bigger than the Modern Dragonfly.

Explanation:

The Giant Dragonfly is 250% - 160% bigger than the Modern Dragonfly.1

Which statement describes the electron sharing between two oxygen atoms?


Each oxygen shares one electron with the other.


Each oxygen shares two electrons with the other.


Each oxygen shares eight electrons with the other.


Each oxygen shares six electrons with the other.

Answers

When two oxygen atoms get close to each other, the attractions from the nucleus of both atoms attract the outer electrons.

What is Electrons?

A negatively charged subatomic particle known as an electron can either be free or attached to an atom (not bound).  The nucleus of an atom is made up of electrons, protons, and neutrons together.

The positive charge of a proton balances the negative charge of an electron. An atom is in a neutral condition when it has the same number of protons and electrons.

There are several ways in which electrons differ from the other particles. They are substantially less massive, exist outside of the nucleus, and show both wave- and particle-like properties.

Therefore, When two oxygen atoms get close to each other, the attractions from the nucleus of both atoms attract the outer electrons.

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A mother and daughter are both talented pianist. Give an inherited trait and learned trait would lead to this similarity

Answers

Answer:

long fingers or slim hands i think would make sense for inherited trait and learned trait would be the mother teaching the daughter how to play piano

what characteristics below distinguishes viruses from other types of parasites?


a.they need the blood of the host to survive

b.they need to live inside of the host to survive

c.they are not considered to be alive

d.they need a host to complete feeding

Answers

Answer:

B

Explanation:

help plzzzzzzzzz asap

Answers

Answer:

Vestigial structures: are various cells, tissues, and organs in a body which no longer serve a function. (Ex: human appendix, the pelvic bone of a snake, and the wings of flightless birds)

Homologous Structures: Homologous structures are organs or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor (Ex: humerus, radius, and ulna, just as the arms of the other animals included in the figure.

Embryological Similarities: The study of one type of evidence of evolution is called embryology, the study of embryos. (Ex: fish embryos and human embryos both have gill slits)

Fossil Record: history of life as documented by fossils, the remains or imprints of organisms from earlier geological periods preserved in sedimentary rock. (Ex: bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants)

Genetic (DNA) Similarities: a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. (Ex:  basic materials in the chromosomes of the human cell.)

Divergent Evolution: is the accumulation of differences between closely related populations within a species, leading to speciation. (Ex: Darwin's finches are a clear and famous)

During meiosis, the chromatids of homologous chromosomes have just undergone crossing over. Which of the following phases will the cell enter next?

A: Metaphase I
B: Anaphase II
C: Prophase II
D: Telophase I

Answers

As I know the process of crossing over occurs in prophase 1 so the next phase will be metaphase 1
Hope this helps!!

Answer:

Metaphase I

Explanation:

Got it right on the test nun to worry about.

Why is Earth's outer core hotter than Earth's oceanic crust? Earth's oceanic crust is denser than Earth's outer core is. Earth's oceanic crust has lava flowing from the mantle. Earth's outer core has a composition of solid iron and nickel. Earth's outer core is deeper within Earth than oceanic crust is.

Answers

Answer: Earth's outer core is deeper within Earth than oceanic crust is.

Explanation:

The Earths outer core is is known as the third layer of the Earth. It is the only layer of the earth which is liquid. and it is majorly constituting of made metals iron and nickel, as well as little constituents of other substances. The Earths outer core is responsible for magnetic field on earth. And it is hotter than the oceanic crust because it is deeper within the earth than the oceanic crust.

The core -outer core and inner core- compose the third and deepest layer of the Earth. The Earth's outer core is hotter than Earth's oceanic crust because the Earth's outer core is deeper within Earth than oceanic crust is.

-------------------

The Earth is composed of three layers known as cortex, mantle, and core.

The outer layer is the cortex, while the core is the inner layer is the core, both of them composed mainly of iron and nickel.

The core can be divided into outer core and inner core.

Near the terrestrial core, the temperature might reach up to 3,500ºC, and solid materials in these areas melt and fuse.

When fusing, materials lose density, becoming lighter and ascending again to the surface, creating the ascending currents.

Differences in temperature and density produce convection currents. Warm  melted materials from the bottom are lighter and can ascend, while cold materials from the surface are denser, so they tend to descend.

Convective currents contribute to the plates' movements over the mantle and keep the surface warm, making life possible.

The heat produced in the core is responsible for the electromagnetic field.

The Earth's outer core is hotter than Earth's oceanic crust because the Earth's outer core is deeper within Earth than oceanic crust is.

---------------------

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