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horsena [70]
3 years ago
13

10. Deafness in cocker spaniels is inherited. The allele for deafness (d) is recessive to the allele for hearing (D). Two cocker

spaniels that are heterozygous for hearing are mated together. What is the chance that a puppy will be deaf?
Question 10 options:
0%
25%
50%
100%
Biology
2 answers:
notka56 [123]3 years ago
8 0

Answer:

25%

Explanation:

If they are both heterozygous, it means they both have a Dd genotype. If you draw out a punnet square Dd x Dd you end up with the following possible genotypes for the puppy:

DD, Dd, Dd, dd

In order for the puppy to be deaf, it must be dd since deafness is recessive, which is 1/4 (25%)

adoni [48]3 years ago
7 0

Answer:

The answer is 25% I took the test and got it right!

Explanation:

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