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Kryger [21]
2 years ago
12

A woman takes a man to court claiming that he is the father of her son and that the man should be required to pay child support.

The man’s blood type is A, the woman’s is AB and her son’s blood type is B. Is it possible for the man to be the boy’s father?
Biology
1 answer:
Anastasy [175]2 years ago
6 0

Answer: No

Explanation: Since when a child is born it has DNA from both. As an example, the mom has brown hair, father has blonde hair, the child would take the DNA for the type of hair they get, either blonde or brown. So since its blood, the fathers is A, and the boy's is B, therefore it didn't take any of their DNA's so nope, he isn't the father.

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What are the gametes that would be formed for the following genotype: Aa?
dlinn [17]

Answer:

A and a

Explanation:

GAMETE formation occurs via a process called MEIOSIS. During meiosis, segregation and independent assortment of genes occur. According to Gregor Mendel who proposed the law, the law of segregation states that the alleles of a Gene will separate into gametes. This separation occurs in such a way that only one allele of that gene is found in each gamete.

In this case, an organism with genotype "Aa" will produce gametes that contains the following: A and a. Therefore, the gametes of genotype Aa will be A and a.

5 0
3 years ago
What are the subunits called that make up carbohydrates?
neonofarm [45]

Answer:

Carbohydrates are used by the body for energy and structural support in cell walls of plants and exoskeletons of insects and crustaceans. They are made of smaller subunits called monosaccharides. Monosaccharides have <u>carbon</u>, <u>hydrogen</u>, and <u>oxygen</u> in a 1:2:1 ratio.

Difinition of disaccharides: any of a class of sugars whose molecules contain two monosaccharide residues.

Make an example...

Short carbohydrate chains are called <u>oligosaccharides</u> and contain 3 to 10 sugar molecules. Long carbohydrate chains can contain hundreds or even thousands of monosaccharide units. molecule of <u>glucose</u> and one molecule of <u>fructose</u> joined together.

Explanation:

Enjoy

5 0
3 years ago
Dead zones in waterways can occur as the result of fertilizer runoff.<br> T/F<br><br>True
Alja [10]
It is true that dead zones in waterways can occur as the result of fertilizer runoff. 
8 0
3 years ago
Read 2 more answers
What structures to eukaryote cells have that prokaryotes do not?
Sergio [31]

Answer:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.

Explanation:

prokaryotes have no nucleus

8 0
2 years ago
Assume that the mother's genotype is AZ/az, and the father's genotype is Az/aZ, and the recombination rate is 10%. What are the
attashe74 [19]

Answer:

0.45 from mom and 0.05 from dad.

Explanation:

The recombinant progeny might occur due to the crossing over at the time of meiosis in which the exchange of chromosomes occur in the homologous chromosomes of non sister chromatids.

The progeny receives half of their chromosome from the mother and half from the father. The mother 50% AZ and 50% az chromosomes respectively. The 10% recombination has occured due to which the mother chromosomes is reduce upto 45%. The recombinant  10% will be aZ and Az and has 5% frequency. Mom has the ability of az chromosomes is 0.45 %. The father has the genotype 50% Az and 50% aZ. The 10% recombination has occured due to which the father chromosomes is reduce upto 45%. The recombinant will be az and AZ with 5% frequency. So, father has az with 0.05 % probability.

Thus, the answer is 0.45 from mom and 0.05 from dad.

8 0
2 years ago
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