Quiz608 - General Genetics Page 1 of 3 Quiz 1 Form A 1....

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General Genetics 3100:211 Fall, 2008 Quiz 1 ID_________________________ Form A 1. Excessive secretion of male sex hormone results in premature sexual maturation in males and masculinization of the sex characters in females. This disorder is called the adrenogenital syndrome, and in Switzerland there is an autosomal recessive form of the disease that affects 1 in 3200 female newborns. What is the gene frequency of the adrenogenital allele in this population? 0.018 2. If the frequency of the b allele, that causes PKU when homozygous, is 0.2, what proportion of the population are heterozygotes? 0.32 3. A bacterial strain is dam - , which of the following would be a consequence of this mutation? a. Mismatch repair would not occur b. Thymine dimers could not be replaced c. DNA polymerase would not be able to proofread d. There would be an increase in frameshift mutations e. None of the above 4. Point mutations that result in a single aminio acid change in a protein are called __ missense ____________ mutations. 5. Ultra violet light is a mutagen and can cause mutations in exposed skin. A man of genotype AA, with parents both homozygous dominant, has a UV light induced mutation on his arm, changing the A allele to the a allele. What proportion of his children will receive the a allele from this man? none
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This note was uploaded on 02/03/2012 for the course BIO 3100 taught by Professor Turner during the Fall '08 term at The University of Akron.

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Quiz608 - General Genetics Page 1 of 3 Quiz 1 Form A 1....

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