Which statement is true of the X chromosome? A. Only males must inherit it.
O B. Only females must inherit it.
C. Both females and males can be born without it.
D. Both males and females must have at least one of them.

In general in which direction does wind blow

The difference between amphid and plasmid

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4