26) The fundamenital Mendelian process that involves the separation of contratin

Question

26) The fundamenital Mendelian process that involves the separation of contrating eretic elments a 2 the same locus woukd be called A) independent assortmert B) segregation C) discontinaous variation D) dominance or recessiveness E) continuous variation 2)A describes a site of crossing over. 27 A) histone B) centromeres C) chromatid D) synapsx E) chiasma TRUEFALSE. Write T if the statement is true and F if the statement is false. 28) A typical epistatic ratio is 9.34 29) The ARO blood group locus in humans provides an exanmple of epistasis 30) 5 phase is the part of interphase when DNA duplication takes place 28) 29) 30) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 31 31) Two forms of hemophilia are determined by genes on the X chromosome in humans Assume that a phenotypically normal woman whose father had hemophilia is married to a normal man. What is the probubility that their first son will have hemophilia? 32) 32) Two forms of hemophilia are determined by genes on the X chromosome in h Assume that a phenotypically normal woman whose father had hemophilia is married to a normal man. What is the probability that their first daughter will have hemophilia? 33) Assume that a cross is made between two organisms that are both heterozygous for a gene 33) that shows incomplete dominance. What phenotypic and genotypic ratios are expected in the offspring? ESSAY. Write your answer in the space provided or on a separate sheet of paper 34) What is meant by the term epistasis? Distinguish between epistasis and dominance. Do not use examples in answering this question. 35) The white-eye gene in Drusophila is recessive and sex-linked. Assume that a white-eyed female is mated to a wild-type male. What would be the phenotypes of the offspring?

Explanation / Answer

26. The answer is B. Segregation.
27. The answer is E. Chaisma
28. The answer is Ture. This is due to recesseive eptistatis.
29. The answer is False. The ABO blood group system is an example for codominance.
30. The answer is True. During S phase of the interphase, the DNA replication occurs which helps in the DNA duplicaiton.

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