Let's assume that the recessive allele "p" imparts diseased conditions in the homozygous genotypes. The genotype of each of the carrier parents would be "Pp". A cross between Pp and Pp would produce progeny in the following phenotype ratio=

Pp x Pp= 3/4 Normal : 1/4 Affected.

Therefore, there are 1/4 or 25% chances for this couple to have a child with PKU.

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3 years ago

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The potassium channel protein is a membrane protein that spans the phospholipid bilayer, a strongly non-polar environment. what

Sav [38]

Channel protein is a membrane protein that spans the phospholipidbilayer (a strongly non-polar environment).

4 0

3 years ago

1. An example of a heterotroph obtaining energy would be a....

Sever21 [200]

Answer:

(a.) rabbit eating grass.

Explanation:

Heterotrophs obtain energy by eating plants and animals. Plants are autotrophs, absorbing the sun's energy through photosynthesis and making glucose.

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3 years ago

If a mother carries a recessive allele for a genetic disorder, such as cystic fibrosis, under what circumstances will her childr

aev [14]

The children's father must also carry the recessive allele. Recessive alleles only determine characteristics when a child inherits a copy from each parent.

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3 years ago

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