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Some questions are easier than others but I would like to double check they are right please. Would appreciate if someone could help, I need to submit this by Monday. 1. Eye color is an X-linked gene and red is dominant to white in Drosophila. If I mate a red […]

You are studying the transport of amino acids across the intestinal epithelium. You set up an in-vitro system (see diagram below) that has a layer of intestinal epithelium separating two chambers. You can alter the contents of the two chambers and you can also remove and test samples of their […]

Each of the statements below is a hypothesis about why individuals of a particular kind of moth pull their forewings forward when poked. For each statement, label it (a) if it is a proximate hypothesis and (b) if it is an ultimate hypothesis. 1. The behavior is learned. 2. Wing […]

A X-linked gene in cats controls coat color. The X ^ B allele produces black, and the X ^ b allele produces yellow. When heterozygous ( X ^B X^b), the coat color is calico. If a yellow female cat has one yellow kitten and three calico kittens, a/ what is […]