In peas, the dominant seed shape is round and the recessive is wrinkled(w). The dominant trait for pod color is green and recessive is yellow (y). A plant with round seeds and green pods that i heterozygous only for the color trait is crossed with a plant that has wrinkled […]

Q1. In 2009, a German politician proposed that all babies must be genetically fingerprinted at birth. What are the advantages, and potential problems, with this proposal? Q2. While walking throughout a forest you notice that someone has carved his or her initials into the bark of a tree. The initials […]

Wild turkeys are dramatically sexually dimorphic; domestic turkeys are far less so. Suppose that female wild turkeys chose males on the basis of expensive traits that indicate disease resistance and that artificial selection for rapid weight gain in domestic turkeys destroys female choice. What would you predict about the evolution […]

Sickle cell anemia is a very severe condition. a) Explain the condition and the alleles of the person with the condition and why it is a serious problem; b) What type of chromosomal disorder causes the condition; c) If the mother is heterozygous for the trait and the father is […]