5. The family tree below shows the trait of having attached earlobes. Having attached earlobes is recessive, and having detached earlobes is dominant. People with attached earlobes are shaded in.
1.
A
II.
B В
с
III.
D
a) Describe the sex and characteristics of the person labeled A. (1 point)

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?