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The availability of recombinant DNA technologies, automated instruments, and bioinformatic tools make identification of genes and genotypes much faster and cost effective as compared to using […]

1. Explain the concepts of phyletic gradualism and punctuated equilibrium. 2. What are some presumptions about fossil records related to PE? 3. What are some events […]

A mutation that inactivates a regulatory protein that normally prevents transcription of a gene is said to be trans-acting. Will this type of mutation affect the […]

Several fly mutations are called vg(vesigial) black (b) and pr (purple). Vg affects the wings, b the body color and pr the eye color. The wild […]

Q1. An investigator observes that when pure-breeding, long wing Drosophila are mated with pure-breeding, short-wing flies, the F1 offspring have intermediate wing length. Write a hypothesis […]