Cytogenetics Practice Test 8

1. The composition AA: XXX will give a viable female in Drosophila.

2. Which of the following is true for Drosophila sex determination?

3. In ZZ/ZW system if there is a recessive Z allele carrying a distinct phenotype, it will have greater probability of expression in ____________

4. Genic system of sex determination is seen in _______________

5. Choose the statement that is not true for meiosis 2.

6. In a family of four including a normal mother, a normal father, a color blind son and a normal son; who do you think has the defective X gene other than the affected son?

7. What is the probability that the son of a color blind father would be color blind?

8. Choose the odd one out.

9. Parthenogenesis can also take place in human beings.

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