Answer:
If a person with blood type A, of unknown genotype, and a person with blood type O have offspring, the only possible blood types in children are A and O.
Explanation:
It should be noted that in the case of blood type A, the possible genotypes are A|A or A|O, while blood type O (recessive) will always have genotype O|O. Assuming that it is the father who has the blood group A:
♂ A|A or A|O
♀ O|O
- Cross 1: If the father possesses the dominant A characteristic on both alleles
Alleles A A
O A|O A|O
O A|O A|O
In this case all the offspring will have a blood type A, with a heterozygous genotype.
- Cross 2: If the father has blood type A, but with a heterozygous genotype
Alleles A O
O A|O O|O
O A|O O|O
50% of the descendants will be of blood type A, heterozygous
The other 50% will be blood type O.
Blood type is determined by the presence or absence of surface antigens A and B.
Type A contains antigen A and its genotype can be A|A or A|O. Type B contains the B antigen, whose genotype can be B|B or B|O. Blood type AB contains both antigens and a single genotypic expression A|B Type O blood lacks surface antigens, and genotype O|O .Thus, depending on the genotype of one of the parents A|A or A|O, when crossed with a parent type O O|O, their children may have blood type A or O.
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A person with type A blood (unknown genotype) marries a person with type O blood, the possibilities are A, B and O blood group.
What is a blood group?Blood group is the classification of blood on the basis of the presence and absence of antibodies and antigens.
Given that, A person with type A blood (unknown genotype) marries a person with type O blood.
We don't know the genotype
If the unknown person is OO you get O.
The person is AA or AO you get A or O.
If the person is BB or BO you get B or O.
If the person is AB you will get A or B, there is no chance of an O offspring with an AB parent.
Thus, the possible blood group is A, B, and O.
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all ponts are on this plz help
Answer:
Animal
egg
plant
Flower
seed
Fruit
Explanation:
Rey, who has a normal vision (XY),married Cindy
who has a normal vision but carries a gene for
color-blindness (XX) What is the chance to
have a colorblind baby girl?
Answer:
There is no chance that Rey —who has a normal vision man— and Cindy, who is a woman colorblind carrier, will have a colorblind daughter.
Explanation:
If a man with normal vision and women who is a carrier of colorblindness has a daughter there is a 50/50 chance of having a colorblindness carrier daughter. And all daughters would have normal vision.
Color blindness is a visual condition characterized by the inability to discern some colors, and has a recessive inheritance pattern linked to the X sex chromosome. This means that all males with the defective gene (Xd) would be color blind, while a female to be color blind must have both X chromosomes affected.
In the case of Rey and Cindy
♂ XY
♀XdX
Alleles X Y
Xd XdX XdY
X XX XY
Of the daughters they have, half could be carriers, while the other half would not have the altered gene. In any case, none of their daughters could be colorblind.
As many as 30 thousand ____ _______ become entangled in lost or discarded fishing nets or cargo straps each year.
Answer:
As many as 30 thousand fur seals become entangled in lost or discarded fishing nets or cargo straps each year.
Explanation:
Human activities cause many damages to marine mammals in general. One of these activities is fishery. The nests are intercepting the migratory routes of animals or are floating free in the sea after being discarded. They are extremely strong, so whenever animals get stuck on them, they might carry them for months or years, affecting their diving, foraging, feeding, and reproductive behavior. These nets might hurt the animals´ skin, producing a wound that will probably get infected.
A few years ago, at least 50,000 northern fur seals died per year after getting stuck in fishing nets. The populations of these animals decreased sharply, affecting their reproductive and growth rates. In the present, due to the decrease in their population size, the number of dead animals is around 30,000 per year. This reduction in death is only because there are much fewer animals every year.
PLZ help ill give Brainliest
Question 1 answers
A If there is more food available the population will decrease
B If there is more food available the population will increase
C it will stay the same
D if there is less food the population will increase
Answer:
B
Explanation:
More food, higher population is allowed due to influx of supplies
Answer:
The answer is B
Explanation:
The answer is B because the population of the Spider wasp is growing due to climate change and their ability to spread out which mean they will need more food to support their growing population which is why more prey can lead to an increase in population.
what is the respiration through skin called?
Answer:
Cutaneous respiration, or cutaneous gas exchange
Explanation:
Answer:
Cutaneous respiration
Explanation:
is a form of respiration in which gas exchange occurs across the skin
Why do we say chloroplasts look like green footballs even though a lot of the time they look like perfect green spheres?
Answer:
Explanation:
The football used in American Football is an oval. Chloroplasts can be spherical but also oval-shaped. For the rest of the world, football is what people in the U.S. call soccer. So a football can also be spherical in shape and thus chloroplasts can be spherical just like footballs are. Chloroplasts can also be disc-shaped.
Please help asap!
Summarize the process of cellular respiration in your own words. Consider where you get the initial glucose from and all of the outputs when making your summary.
The cellular respiration process is as follows:
Glucose is the main sugar that circulates in the blood and is the first source of energy in the body for living beings that comes from the food we eat.Through the oxidation of glucose, various compounds are produced that provide energy, the body absorbs sugar from food and transforms it into energy thanks to metabolic activity.Said metabolic reactions is known as cellular respiration that take place inside the cells of living beings, through which chemical energy is obtained from the decomposition of organic molecules.The process of cellular respiration consumes glucose as fuel and oxygen as final electron receptor (oxidant) in reaction with pyruvic acid.Thus, carbon dioxide (CO2), water (H2O) and numerous amounts of ATP, the molecule of biochemical energy, are obtained.Therefore, we can conclude that cellular respiration involves a metabolic process by which glucose is initially oxidized and energy and water are produced.
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suggest what would happen to a cell if it were prevented from going through the cell cycle.
Answer:
If a cell doesn't make it through the cell cycle, or doesn't pass .. It has to restart and go through G0. It's something like a loop out when they don't go through the cell cycle
Explanation:
is Fat around organs
structure of cell membranes
protection
chemical messenger
Answer:
protection
Explanation:
The "fat" around the organs is called the "visceral adipose tissue." Its primary function is to "protect" the organs it encloses from injury. It also keeps the person warm especially when exposed to cold environments. Besides this, it also serves as a storage area for your calories in the body. Fat is not completely harmful as most people think.
This is the reason why it is not good to lose so much weight or become too skinny because losing some fat may be harmful to your organ's protection and heat regulation.
Which characteristic do cows and dogs share?
Answer:
They are both mammals with tails.
Explanation:
Hope this helps!
Which of the following is NOT a skill scientists use to learn about the world?
a.
Predicting
c.
Inferring
b.
Observing
d.
Scientists use all of the above skills
Answer:
d
Explanation:
Does anybody know what a Non-environmental factor that triggers mutation? Give me one example
Answer:
A mutation can occur when mistakes are made during DNA replication.
Explanation:
Numerous factors may result in mutations. Some mutations appear to occur on their own, without any environmental factor. They can happen when transcription or replication errors are created in DNA.
What is mutation?The alteration or modification of a person's nucleic acid or DNA sequence is known as a mutation.
This is a normal process that happens because mutagens lead to mutation. Additionally, for certain objectives, man-made mutations can be created to change the gene sequences.
There are many different kinds of mutations, including chromosomal mutations that change the structure of chromosomes and somatic mutations that impact body cells.
Therefore, mutagens, which may be both environmental and non-environmental, can trigger the mutation in DNA.
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How does the author organize the text or ideas in the article? Check all that apply. by using paragraphs to focus on ideas by using images that help explain or focus on an idea by using an outline to list the steps in a process by using a table to show steps in a process by using subheadings to separate steps in a process
Answer:
by using paragraphs to focus on ideas, by using images that help explain or focus on an idea, by using subheadings to separate steps in a process
Explanation: i got it right on edge 2020
Text organization are those ways which a text is arranged to make them easier to read, understand and get main ideas from.
As a result of this, an author may use different types of organization to show an idea which otherwise, the person would have missed.
There are different ways a text can be organized such as:
ChronologicalSpatialSequenceProblem and solutionCause and effect, etcHowever, it should be noted, that a writer can use things like paragraphs, images, outlines, subheadings, etc to arrange his text.
Please note that your question is incomplete, so i gave you a general overview which should help you get the correct answer.
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What time period is called the Age of Mammals?
a.
the Precambrian time
c.
the Paleozoic era
b.
the Mesozoic era
d.
the Cenozoic era
Answer:
Cenozoic Era
Explanation:
Answer:D
Its the Cenozic era
If you mix substance x and substance y to form Substance z Substance is an example of what?
Help help I’m taking a test and need answers please
Answer:
X is a compound because elements react to form compounds.
Difference between elements and compounds are:
1. Element consists of one kind of atoms whereas compounds consists of one kind of molecule made up of two or more types of atoms.
2. Element cannot be broken into simpler substances but compounds can be broken into simpler substances.Explanation:
which statement describes p waves
Answer:
There’s no picture
Explanation:
Answer:
They Vibrate From Side To Side, Hope this helps!!
Explanation:
Why are enzymes important for living organisms?
Which of the following best describes the impact that infectious agents in one's surroundings can have on the health of an individual?
a
They can bind with T cells and cause swelling and inflammation.
b
They can attack within cells and elicit a cell-mediated immune response.
c
They can destroy the body's ability to fight infection after repeated exposure.
d
They can produce histamine and prevent body cells from reproducing.
The impact that infectious agents in one's surroundings can have on the health of an individual is they can produce histamine and prevent body cells from reproducing.
What are the functions of histamine?Histamine is an important chemical that has a role in a number of different bodily processes. It stimulates gastric acid secretion, plays a role in inflammation, dilates blood vessels, affects muscle contractions.
Histamine is a central mediator released from mast cells through allergic reactions. Histamine plays a role in airway obstruction via smooth muscle contraction, bronchial secretion, and airway mucosal edema.
Histamine regulates a plethora of pathophysiological and physiological processes, such as secretion of gastric acid, inflammation, and the regulation of vasodilatation and bronchoconstriction.
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Explain human impacts on the environment. Give examples.
Answer:
what kinda impact the bad or good
Explanation:
The question didnt make sense
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Four examples of the human made environment are buildings,parks,industries and bridges.
Which statement explains one way that minerals form?
O They are mined from rocks.
O They are produced from molten minerals.
O They are grown in a laboratory.
O They are washed up on a seashore.
Answer:
O They are produced from molten minerals.
Explanation:
Minerals can be produce form molten rocks or materials in nature.
Minerals are solid inorganic compounds with a definite composition and an ordered atomic arrangement.
Minerals are naturally formed. When rocks melt, they can aggregate or concentrate certain minerals in parts of the melt. This process known as differentiation takes place at different temperature and pressure conditions in a molten rock.7. Explain what makes proteins the most diverse
macromolecule.
8. List which macromolecule is not obtained from our
food and where we do get it from.
Explanation:
A protein is a linear molecule comprised of amino acids.The sequence of a protein's amino acids is determined by the sequence of bases in the DNA coding for the synthesis of this protein.
Use the following diagram to answer the question:
The gas released in this investigation is
hydrogen
carbon dioxide
oxygen
nitrogen
Answer:
oxygen
Explanation:
the plant produce o2 while respirating using co2 and sunlight
Every population is part of a ___?
Help plz!! I'll mark brainliest!
Answer:
In statistics, a population is the entire pool from which a statistical sample is drawn. A population may refer to an entire group of people, objects, events, hospital visits, or measurements. A population can thus be said to be an aggregate observation of subjects grouped together by a common feature.
How many gametes are produced at the end of Meiosis 2 and are they identical or different from the original cell?
Answer:
4 gametes
The cells that enter meiosis II are the ones made in meiosis I. These cells are haploid—have just one chromosome from each homologue pair—but their chromosomes still consist of two sister chromatids. In meiosis II, the sister chromatids separate, making haploid cells with non-duplicated chromosomes.
Explanation:
Use the first letter of each term to match it to the correct statement
Options - Tulip, Crocus, Forcing,Daffodil,Stratification
16)_____causing the flower to bloom out of season
17)_____must be planted in pot with flat side facing out
18)_____must be planted in pot with half the bulb exposed
19)_____imitates the winter season by using refrigeration
20)___must be planted in pot covered with one inch of soil
HELPPPPPP
Answer:
16.) Forcing
17.) Crocus
18.) daffodil
19.) stratification
20.) tulip
Explanation:
helppp pleasee i will give BRAINLIST
What are two ways to increase the energy of a wave?
•Increase the wavelength and increase the frequency
Increase the amplitude and increase the frequency
Decrease the amplitude and increase the wavelength
Increase the speed and decrease the frequency
The two ways to increase the energy of a wave are increase the amplitude and increase the frequency. The correct option is B.
What is a wave?A wave is a propagating dynamic disturbance of one or more quantities in physics, mathematics, and related fields.
Periodic waves occur when quantities oscillate repeatedly about an equilibrium value at some frequency.
The amplitude and frequency of a wave are related in such a way that they are inversely proportional. With increasing frequency, the amplitude decreases. As the frequency decreases, the amplitude increases.
The amount of energy in a wave is determined by its height, wavelength, and the distance over which it breaks.
When equal wavelengths are used, a wave with a larger amplitude will release more energy when it returns to sea level than a wave with a smaller amplitude.
Thus, the correct option is B.
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What makes up the highest percentage of soil composition?
A.) Mineral matter
B.) Water
C.) Air
D.) Organic matter
Answer:
D
Explanation:
^
The one that makes up the highest percentage of soil composition is mineral matter. The correct option is A.
What is soil composition?In soil science, a soil type is a taxonomic unit. A distinct soil type is formed by all soils that share a specific set of well-defined properties.
Soil type is a technical term for soil classification, which is the science of systematic categorization of soils. Every soil on the planet belongs to a specific soil type.
The composition of the soil is an important aspect of nutrient management. Soil water is what readily provides nutrients for plant uptake, whereas soil minerals and organic matter hold and store nutrients.
A typical soil contains about 45% mineral matter, 5% organic matter, 20-30% water, and 20-30% air. These percentages are, at best, broad strokes.
Thus, the correct option is A.
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What function are stomach cells adapted for
Answer:
The stomach is J-shaped and it can expand to temporarily store food. Partial digestion of the food takes place here. The churning action of the stomach muscles physically breaks down the food. The stomach releases acids and enzymes for the chemical breakdown of food.
Explanation:
Margo was adopted when she was an infant. Her adoptive parents' intelligence test scores are in the average range, while her biological parents have test scores well above average. When Margo is 30, what can we predict about her performance on an intelligence test?
Answer: It will be more similar to her biological parents test scores
Explanation: