Black coat of guinea pigs is a dominant trait, white is the recessive trait. When a pure black guinea pig is crossed to a white one, what fraction of the black `"F"_(2)` is expected to be heterozygous?

Tallness of a pea plant is a dominant trait, while dwarfness is the alternate recessive trait. When a pure line tall is crossed with pure line dwarf, what fraction of tall plants in F_(2) shall be heterozygous. Give reasons.

When a hybrid black guineapig is crossed with a pure white gulneapig the offspring of F_(1) will be

When a black guinea pig is crossed with a white guinea pig, what coloured guinea pigs are obtained in F_(1) if black colour is dominant over white?

When a cross taken place between two hybrid black guineapigs, what will be the phenotype ratio of black and white guineapig?

In pigs, white coat (W) is dominant to black (w). Two white pigs are breed to produce 9 white and 2 black pigs. What are the genotype of the parents?

In pigs, white coat (W) is dominant to black (w). Two white pigs are breed to produce 9 white and 2 black pigs. What are the genotype of the parents?

In guinea pigs the gene for rough coat (R) is dominant over that for smooth coat (r) and the gene for black hair (B) is dominant over that for white hair (b). If a homozygous rough black animal is crossed with a homozygous smooth white one. What will be the genotype and phenotype in the F_1 generation?

When a cross takes place between two hybrid black guineapigs, what will be the phenotype ratio of black and white guineaping?

White eye is a sex linked recessive trait in Drosophila. In cross of white eyed female with normal male, what are the phenotype of F_(1) generation