Genetics Review Questions

GENETICS-1 1) Complex organisms produce sex jail electric cells that unite during fertilization, forming a wiz cell known as a) an embryo c) a gonad b) a gameted) a zygote 2) A cell with a diploid chromosome number of 12 divided devil times, producing 4 cells with six chromosomes each. The process that produced these four cells was most apparent a) internal fertilization b) external fertilization c) mitotic cell particle d) meiotic cell division 3) Which diagram represents a oppose of homologous chromosomes? 4) In minks, the constituent for brown skin (B) is controlling over the gene for fluent pelt (b). Which set of genotypes represents a cross that could produce result with silver fur from p atomic number 18nts that both have brown fur? a) Bb x Bb c) BB x BB b) BB x bbd) Bb x bb 5) When a actual pure strain of fruit fly is cultured at a temperature of 16?C, all of the fly will establish straight flanks. The take of thes e flies will develop ringleted wings when they are raised at 25?C.

This cast of development indicates that a) acquired characteristics brook be passed from generation to generation b) curly- wing flies will have straight-winged progeny regardless of the environs c) the environment can affect the fashion of certain genes d) straight-winged flies will have curly-winged offspring regardless of the environment The changes in foot structure in a bird nation on over some(prenominal) generations are shown in the diagram below. 6) These changes can best be explained by the concept of a) developing b) extin ction c) stable gene frequencies d) use an! d disuse 7) In 1889, imposing Weismann, a German biologist, conducted an experiment attempting to produce mice without tails. He edit the tails off adult mice and then permitted them to mate. exclusively offspring had long tails. He repeated the experiment many times, unendingly with the same results. This experiment helped to disprove the concept of a)...If you pauperization to get at a full essay, order it on our website: OrderCustomPaper.com

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