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MariettaO [177]
3 years ago
15

Look at the pedigree below, does anyone in the 4th generation have cystic fibrosis?

Biology
2 answers:
lakkis [162]3 years ago
6 0
C?
I think that is the answer
larisa86 [58]3 years ago
5 0

Answer:

C

Explanation:

Child 1 and 2 are both filled in and Child 3 is a carrier, as indicated by the key to the right of the pedigree.

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a type of blindness, occurs in humans and is due to a dominant allele, A. Normal vision is due to the allele, a. Migraine headac
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The man's father genetics for aniridia is XAY because one copy of the altered gene in each cell is sufficient to cause this disorder.

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Migraine headaches allele in females has to be in the XMXM or XMXm form to be expressed but in males, can be expressed when genotype is XMY.

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Option 2.

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