Question

Imagine a pedigree that traces an inherited disorder found in individuals with two recessive alleles for gene D. The pedigree shows three siblings with the genotypes DD,Dd, and dd. Did the parents of these three children have the disorder? Explain.

please and thank you!!!
DUE TODAY!!!
EEEek

Answer 1

no

D d
D DD Dd

d Dd dd

for these combinations to work, each parent would need to have a Dd genotype. Since the disorder is only found in individuals with two recessive alleles, they would not carry this trait.