The ratio of offspring produced by a cross between an $F_1$ heterozygote and a recessive parent is ....

If two individuals with genotype $Bb$ are crossed and they produce two offspring,what is the probability that the second offspring will show the recessive trait,given that the first offspring shows the dominant trait?

In the case of inheritance of one gene,the phenotypic ratio of $3:1$ can be explained on the basis of which of the following?

Determine the number of possible types of gametes produced by an organism with the genotype $AABBCC$.

Blue eye color is recessive to brown eye color. $A$ brown-eyed man whose mother was blue-eyed marries a blue-eyed woman. What will be the phenotypes of their children?

An $F_1$ plant has the genotype $AABbCC$. What is the phenotypic ratio of the $F_2$ generation after selfing this plant?