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A woman has a rar abnormality of the eyelids called ptosis, whichprevents her from opening her eyes completely. This condition iscaused by a dominant allele, P. The woman’s father had ptosis, buther mother had normal eyelids. Her father’s mother had normaleyelids. (a) What are the genotypes of the woman, her […]

As a consequence of independent assortment (Mendel’s 2nd law) of chromosomes during meiosis, each mature gamete from an individual differs greatly in the combination of chromosomes inherited from the parents of that individual. However, it could be a mistake to assume that every homologous chromosome that a gamete receives after […]

A CSI lab tech has just completed as series of Kastle-Meyer tests on several red stains on a suspect’s shirt.  In all cases after hydrogen peroxide is added, a pink color appears 5-10 min later.  Please answer the following questions: A) What is the result?   B) Why?   C) What […]

How does the contraction time of a typical finger twitch compare to the relaxation time? Exercise 2: The Effect of Weight on Finger Twitches.Questions:1- Discuss how do the amplitudes of the finger twitches with different weights compare to each other?2- Why did the amount of work decrease when heavier weights […]