quiz2 - Quiz 2 1) In Drosophila, the sex determination is...

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Quiz 2 Biol241 - 2010 1) In Drosophila , the sex determination is accomplished by a) The presence of Y chromosome b) The presence of X chromosome c) The ratio of X chromosome to autosomes d) The presence of the SRY locus 2) What is the function of pseudoautosomal region of the human Y? a) To regulate the expression of male specific genes b) To regulate the expression of testis specific genes c) To mediate pairing with X chromosome during meiosis d) To capture kinetochore during cell division 3) How many Barr bodies will be found in the cells of a XXXY human? a) 0 b) 1 c) 2 d) 3 4 ) Dosage compensation in human is accomplished by a) Double the X-specific gene expression in males b) Halve the gene expression from both X chromosomes in females c) Randomly inactivate one of the two X chromosomes in females d) None of the above 5) Which of the following should be used to determine if two mutations are allelic? a) Testcross
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quiz2 - Quiz 2 1) In Drosophila, the sex determination is...

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