Humans have one of two types of hairlines on their foreheads. The "V" shaped hairline refers to a trait called Widow's Peak (W) that is dominant over a straight hairline (w). If Chris has the genotype WW and Janet has the genotype ww, what can we say about their four children? All of their children would have a straight hairline.

All of their children would have a widow's peak hairline.

Half of their children would have a straight hairline and half would have a widow's peak hairline.

Three of the children would have a widow's peak hairline and one would have a straight hairline.

What drives an advertising campaign?

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions, because prokaryotes don't have nuclei.

All ova contain sex chromosomes corresponding to: x y xx xy