Cytogenetics Practice Test 8

1. Which of the following is wrong?

2. X linked dominant trait tends to be milder in heterozygous females. State if it is true or false.

3. Mammals have _______________ type of sex determination.

4. Human being with genetic combination AA+ XXX will be non-viable like Drosophila with the same combination.

5. Patterned baldness is a sex influenced trait more expressed in a male. If b+ is normal allele making non-bald phenotype and b is mutant leading to bald phenotype, for a cross between a bald mother and normal father, what is the probability of a bald son?

6. Drosophila follows which of these modes of sex determination?

7. Which one of the following is true for Drosophila?

8. In yeast a MAT a type yeast can mate with __________

9. Genetic combination of AA : XYY in drosophila gives a _________

10. A child is born to a mother whose blood group is A and a father whose blood group is B. The child is of blood group A. According to this which of the following is true?