Nearsightedness is dominant to normal vision and hazel eyes are dominant to blue eyes. A nearsighted woman with hazel eyes who is heterozygous for both traitsmarries a man with normal vision and hazel eyes. His genotype for eye color is the same as his wife's. Their three children all have blue eyes and normal vision. What is the probability that their next child will have blue eyes and be nearsighted
In this case we will deal with genetics and use the genes to know the probability of the child being born with blue eyes, in this case it will be 1/4.
What is genetic probability?Probability serves to mathematically estimate the possibility of events that happen by chance, that is, as a matter of luck. It can be defined by the following formula:
P is the probability that an event will occurA is the number of desired eventsS is the total number of possible events.In this case,
the gemetes from the mother will be NH, Nh, nH and nhthe gametes from the father will be nH and nhBased on the parent genotypes a child with nearsight and blue eyes will have the genotype Nnhh. This will be:
1/2 x 1/2 = 1/4
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In butterflies, black wings are dominant over yellow wings. Use the Punnett Square to determine the possible genotypes and phenotypes if you cross two heterozygous butterflies. Use the letter B for your alleles.
The genotypes are one BB, two Bb, and one bb and the phenotype is three black and one yellow wing butterfly.
What are the genotype and phenotypes of the offspring?The genotype and phenotypes of the offspring are determined using a Punnett square as follows:
Let B be black wing and b be yellow wings.
The cross between two heterozygous butterflies is:
Bb × Bb = BB, Bb,Bb, bbBlack is dominant over yellow wings.
Therefore, the genotypes are one BB, two Bb, and one bb and the phenotype is three black and one yellow wing butterfly.
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Which female organ sheds its lining through menstruation?.
Answer:
Menstruation is one part of a person's menstrual cycle which includes the shedding of the endometrium (lining of the uterus) that occurs throughout a person's reproductive life.
90 POINTS! PLEASE HURRY! Analyze this graph and fill in the blanks with the correct response.
If the chordae tendineae in the right side of the heart were damaged, it might cause blood to leak into the:
Answer:
Right Atrium
Explanation:
Chordae tendinae are located in the ventricles of the heart. Their function is to prevent the valves between the ventricles and atria from opening the wrong way. Damage to them would cause the valve flaps to open during ventricular systole, sending blood back into the atria.
Make a claim about homologous structure help scientist interpret theory of evolution
A cross was performed, and the offspring shown
to the right were produced. What is the most likely
genotype for the parents?
OBbee x bbEE
OBbEEx Bbee
OBbEex BbEe
BBEE x bbee
DONE
10 mice with
black fur, black eyes
3 mice with
white fur, black eyes
2 mice with
black fur, red eyes
1 mouse with
white fur, red eyes
The most likely genotypes for the parents are BbEe × BbEe. Thus, the correct option is C.
What is Genotype?A genotype may be defined as the ultimate combination of alleles of those genes which are selected for specific studies.
If a cross between BbEe × BbEe is made, the resulted offsprings are described in the Punnett square given below:
Therefore, the most likely genotypes for the parents are BbEe × BbEe. Thus, the correct option is C.
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describe how carbohydrates are transported from the leaves to the roots?
When one DNA molecule is copied to make two new DNA molecules, the resulting DNA molecules contain A) none of the parent DNA. B) 50% of the parent DNA. C) 75% of the parent DNA. D) 100% of the parent DNA
Answer:
50% of the parents DNA
Explanation:
This is because the new DNA molecule contains a parent strand and a new daughter strand. The parent strand serves as a template for the synthesis of a new strand reason why DNA replication is said to be a semi-conservative process.
A sod grower whose client has requested a (blank) nearly 18 months from sowing to harvest.
growth variety of grass must calculate that it will be
A grass grower whose customer requested a lawn that is nearly 18 months old from sowing to harvesting. Grass growing variety should calculate that it will be 1 year and 6 months.
How is grass growing?Grass boards should be lined up side by side so that they root and grow evenly.the importance of irrigation. “Right after planting, it is necessary to irrigate the area of grass planted well”, in this way, the grass will settle in the soil and grow beautiful and green.
With this information, we can conclude that a grass grower whose customer requested a lawn that is nearly 18 months old from sowing to harvesting. Grass growing variety should calculate that it will be 1 year and 6 months.
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[BWS.02]An idea is considered scientific after it has been
O tested
O published
O proposed
O popularized
Royale has been undeclared as a national park and has been purchased by a large resort. Describe one positive and one negative impact on the Isle Royale ecosystem
The adverse impact of this approach to the national park is that biodiversity cease to exist there. Its possible positive impact is the fact that we could have some organisms moving to new areas.
What is an ecosystem?An ecosystem is a functional unit that is composed of living and non living parts.
The positive impact of this fact that the Royale is no longer a national park is that species can migrate to new areas while the negative impact of this action is that there may be loss of biodiversity.
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The substance used to separate the proteins from the dna
DNA is deoxyribonucleic acid, which is insoluble in ethanol. In the process of centrifugation the addition of ethanol can aid to separate protein from its DNA.
What is centrifugation?Centrifugation is a process of separating different molecules in a given sample that have different densities by rotating them in solution around an axis at high speed.
It is the frequently applied techniques in the molecular biology laboratory.
The addition of alcohol or ethanol to the sample followed by centrifugation can separate the proteins from its DNA.
Thus, the substance used to separate the proteins from the DNA is alcohol or ethanol.
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Which statement about DNA replication is true?
Explanation:
So, the correct answer is 'DNA replication begins at the promoter'.
Fill in the blanks below with the correct word to complete the sentence.
Water is warmed by the sun and
evaporated
.
It is then cooled and
.
Finally, it is brought back to Earth in the form of
Answer:
# changes into water vapour
#condenses
#rain
Explanation:
As water vapor rises higher in the atmosphere, it begins to cool back down. When it is cool enough, the water vapor condenses and returns to liquid water. These water droplets eventually gather to form clouds and precipitation.
A mixture is...
A) 2 or more different elements
joined together
B) An atom
C) Made up of one type of atom
D) 2 or more different elements
not chemically bonded together Parkanones SLP Open-minded Enquiring
Answer:
the answer is B correct me if I'm wrong!
Drinking alcohol during pregnancy negatively impacts development of the fetus because
(50 points) And Brainliest! Over many years of separation, imagine how the population could have changed.
Start by defining evolution and natural selection. Then include a description of a variation, its heritability, and the reproductive advantage it may provide.
WRITE AT LEAST 5 SENTENCES.
Explain what is happening in this photo in terms of kinetic energy and potential energy.
Include the energy conversions that occur when the penguins eat fish and climb back up
on the glacier. Describe the role of ATP and enzymes in the underlying molecular
processes, including what happens to the free energy of some of the molecules involved
The photo is NOT found here but kinetic energy increase with movement, whereas potential energy is associated with the storage of energy.
What is kinetic energy?Kinetic energy is a type of motion energy, in this case, associated with cellular work (use of ATP).
ATP is the energy coin of the cell, which stores energy (potential energy) in its phosphate bonds.
In conclusion, the photo is NOT found here but kinetic energy increase with movement, whereas potential energy is associated with the storage of energy.
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Although the females glow at night and are easily seen by predators, they have few enemies. state one characteristic that protects them from predators.
The one characteristic that protects females from their predators during the night is to hide in such a dark place where predators can not be easily identified. It helps in escaping from predators by hiding their glow.
What is Predator?The predator may be defined as any organism that kills or hunt other organisms (prey) for the fulfillment of their need.
The above-mentioned strategy assists the female to hide their extreme glow during the night and successfully escape from predators.
Therefore, it is well described above.
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Drag each tile to the correct box.
order the steps through which atp synthesis occurs during the light-dependent reactions of photosynthesis in plants.
hydrogen ions diffuse across
the thylakoid membrane into the
stroma through atp synthase.
1
atp synthase uses the energy
released as hydrogen ions move
from regions of high concentration
to regions of low concentration
to make atp
electrons move down the electron
transport chain releasing energy
lol
The correct order of steps through which ATP synthesis occurs during the light-dependent reactions of photosynthesis in plants are given below:
Energy from the sun ejects electrons from chlorophyll and splits water molecules to yield hydrogen ions.Electrons move down the electron transport chain, releasing energy that pumps hydrogen ions into the thylakoid space.The concentration of hydrogen ions in the thylakoid space increases.Hydrogen ions diffuse across the thylakoid membrane into the stroma through ATP synthase.ATP synthase uses the energy released as hydrogen ions move from regions of high concentration to regions of low concentration to make ATP.What is Photosynthesis?Photosynthesis may be defined as a reaction that utilizes the carbon dioxide present in the environment and makes foods (glucose) in plants in the presence of sunlight.
The other two options which are not given in the question are:
Energy from the sun ejects electrons from chlorophyll and splits water molecules to yield hydrogen ions.The concentration of hydrogen ions in the thylakoid space increases.Therefore, it is well described above.
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Name three signs that the climate changing
Explanation:
The three signs that the climate changing are :---
•Higher Temperatures.
•More Droughts.
•Wilder Weather.
nitrogen cycle in steps
“Nitrogen Cycle is a biogeochemical process which transforms the inert nitrogen present in the atmosphere to a more usable form for living organisms.”
Process of the Nitrogen Cycle consists of the following steps –
Nitrogen fixation, Nitrification, Assimilation, Ammonification and Denitrification.
Nitrogen Fixation Process
It is the initial step of the nitrogen cycle. Here, Atmospheric nitrogen (N2) which is primarily available in an inert form, is converted into the usable form -ammonia (NH3).
Nitrification
In this process, the ammonia is converted into nitrate by the presence of bacteria in the soil. Nitrites are formed by the oxidation of ammonia with the help of Nitrosomonas bacteria species. Later, the produced nitrites are converted into nitrates by Nitrobacter. This conversion is very important as ammonia gas is toxic for plants.
Assimilation
Primary producers – plants take in the nitrogen compounds from the soil with the help of their roots, which are available in the form of ammonia, nitrite ions, nitrate ions or ammonium ions and are used in the formation of the plant and animal proteins. This way, it enters the food web when the primary consumers eat the plants.
Ammonification
When plants or animals die, the nitrogen present in the organic matter is released back into the soil. The decomposers, namely bacteria or fungi present in the soil, convert the organic matter back into ammonium.
Denitrification
Denitrification is the process in which the nitrogen compounds make their way back into the atmosphere by converting nitrate (NO3-) into gaseous nitrogen (N). This process of the nitrogen cycle is the final stage and occurs in the absence of oxygen. Denitrification is carried out by the denitrifying bacterial species- Clostridium and Pseudomonas, which will process nitrate to gain oxygen and gives out free nitrogen gas as a byproduct.
what is this frog called
Answer:
Its called a Morelet's tree frog
I hope this helps! <(^,^)>
Answer: Morelet's tree frog
Explanation:
This system controls everything you do:
Answer:
The Nervous system
Explanation:
The Nervous system controls complex processes like movement, thought, and memory. It also plays an essential role in the things your body does without thinking, such as breathing, blushing, and blinking.
which mammal didnt become extinct during the Cenoozoic era
Answer:
rodents and small horses
Which of the following likely results from urbanization? (4 points)
Expansion of forests
Decreased farmland
Decreased transportation
Increased electricity use
The option that is likely to result from urbanization is decreased farmland. Details about urbanization can be found below.
What is urbanization?Urbanization is the process of the formation and growth of cities and usually involves change in a country or region when its population migrates from rural to urban areas.
Urbanization usually occurs when people of a region move to another region in search of better opportunities.
However, urbanization will likely result to a decrease of farmland and agricultural practices.
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which part of earth belongs to the geoshpere
Answer:
In modern texts and in Earth system science, geosphere refers to the solid parts of the Earth; it is used along with atmosphere, hydrosphere, and biosphere to describe the systems of the Earth(the interaction of these systems with the magnetosphere is sometimes listed). i.e the earth's interior ok
Explanation:
Which of the following is NOT true concerning warm-up exercises? A. They should be low-intensity. B They should get progressively more intense. C. They should last 20 to 30 minutes. D. They should increase heart rate, breathing, and temperature. Please select the best answer from the choices provided. OA OB ○C OD
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