Q1. In Drosophila a cross was made between a yellow-bodied male with vestigial (not fully developed) wings and a wild-type female (brown body). The F1 generation consisted of wild-type males and wild-type females. F1 males and females were crossed, and the F2 progeny consisted of 16 yellow-bodied males with vestigial […]

Consider a plant cell that makes a particular protein that is a necessary component of its plasma membrane. Trace the pathway this protein will take, beginning with its synthesis at the ribosome bound to the endoplasmic reticulum (which is where all membrane proteins, and those destined for export from the […]

1. Consider a cross of two heterozygous plants TtGg x TtGg.  Use the product rule to predict the probability of TTgg offspring…..What is the probability of TTgg offspring? 2. Can a man with Type A blood and a woman with Type B blood have a baby with Type O blood?  […]

Q1. What role do you think people have to play in preserving those regions threatened by human encroachment? How must the interests of competing groups be balanced? Q2. Natural selection tends to choose against deadly genetic disorders such as Tay-Sachs disease and PKU. If this is the case, why are […]