What are the possible phenotype(s) for their children? * A. Hazel eyes B. Brown eyes

Biology

1 answer:

zhenek [66]3 years ago

8 0

Answer:

hazel eyes are recessive, Brown eyes are dominant. is there a pedigree along with this question?

Explanation:

Please insert an image of a pedigree

hope this helps!

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In humans having a wide jaw (W) is completely dominant to having a narrow jaw (w). Having large teeth (L) is completely dominant

Orlov [11]

Answer: The man's genotype is WwLt while the woman's genotype is wwLt.

Explanation: From the information given above, W is the allele for wide jaw, w is the allele for narrow jaw, W is completely dominant to w, L is the allele for large teeth while t is the allele for small teeth.

The man has wide jaw but his mother has a narrow jaw, since narrow jaw is recessive the man must have inherited one recessive allele for narrow jaw from his mother who has two recessive alleles for narrow jaw. Therefore since the man has wide jaw, he must be heterozygous for wide jaw (having one dominant allele for wide jaw and one recessive allele for narrow jaw), his genotype for wide jaw is therefore Ww. The man is heterozygous for teeth size, this means that he has one dominant allele for large teeth and one recessive allele for small teeth. His genotype for teeth size is Lt. Therefore the man's genotype is WwLt.

The woman has a narrow jaw, this means that she has two recessive alleles for narrow jaw (ww) and she is heterozygous for large teeth size, this means that she has one dominant allele for large teeth and one recessive allele for small teeth (Lt). Therefore, the woman's genotype is wwLt.

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3 years ago

Use an examples to distinguish dominant and recessive phenotypes.

steposvetlana [31]

Think recessive phenotypes as paper and dominant phenotypes as teared paper. Once paper is teared, it can't be fixed. Not even tape. It'll just leave that mess exposed. Same with dominant phenotypes. It just takes one dominant trait to change the looks of future offspring.

If you don't tear the paper, everything is fine. Same with recessive phenotypes. As long as there's no contact with any dominant phenotypes, the looks of future offspring will change.

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First, let's add the missing piece- the article

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Both headlines 4 and 5 outline the exact same way, with little or no difference in the headline structure. On a closer look, we can infer that scientific research 4 looks less definite in a risk being found research. Unlike 5 which looks more definite in combining mobile phones with acoustic neuroma.

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