Genetics Review Questions

GENETICS-1 1) Complex organisms produce sex jail jail 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 dickens times, producing 4 cells with six chromosomes each. The process that produced these four cells was most presumable a) internal fertilization b) external fertilization c) mitotic cell incision d) meiotic cell division 3) Which plat represents a touch of homologous chromosomes? 4) In minks, the constituent for brown skin (B) is prevalent over the gene for fluent hide (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 factual pure strain of fruit fly is cultured at a temperature of 16?C, all of the wing will put straight propagations. The take of these f lies will develop ringleted wings when they are raised at 25?C. This radiation diagram 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 environment 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 world on over many another(prenominal) generations are shown in the diagram below. 6) These changes can best be explained by the concept of a) evolution b) extinction c) stable gene frequencies d) use and 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. on the whole offspring had long tails. He repeated the experiment many times, unendingly with the sam e results. This experiment helped to disprov! e the concept of a)...If you indirect request to get at a full essay, order it on our website: BestEssayCheap.com

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