What are the phenotypes for YY, Yy, yy. Where Yellow (Y) hair is dominant to blue (y)?

Biology

2 answers:

Yanka [14]3 years ago

7 0

Well simply knowing that yellow hair colour is dominant to blue, Yellow Y hair allele will produce the functioning protein or pigment to product the yellow colour whereas the blue colour is only produced if both recessive alleles are present.

YY = yellow
Yy = Yellow
yy = blue

lbvjy [14]3 years ago

4 0

Phenotype indicates outward appearance. When an allele has a dominant trait, the phenotype will always exhibit that dominant trait, therefore:

YY = Yellow hair
Yy = Yellow hair
yy = Blue hair

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