In humans, blue eyes are inherited as a recessive autosomal trait and color blindness is an X-linked recessive trait. A woman with blue eyes and normal color vision whose father was color blind marries a man who also has normal color vision. He has brown eyes, but his mother had […]

Biology 1. What is the difference of fatty acid ? oxidation in mitochondrion versus peroxisome? Why such a difference exists? 2. (a) Write down the structure of arachidonic acid (C20:4 ?5,8,11,14). (b) What do you expect of the melting point of arachidonic compared to that of arachidic acid (C20:0) and […]

1. What role does genetics play in the variation seen in this leafhopper population? 2. Note the results from the 20th generation under global warming conditions. Before continuing with the 30th generation, predict the population composition of the 30th generation. 3. What happened to the proportion of each type of […]

In Drosophila melanogaster, eyeless (ey) is a recessive trait in which the eyes are tiny or absent. The ey locus is found on chromosome 4. Monosomy and trisomy for this very small chromosome are compatible with survival and fertility. A trisomic wild-type male with the genotype ey+ ey+ ey is […]