Q. A colorblind mother and a normal father give birth to a Klinefelter child with normal vision. Where do you think the non-disjunction has taken place?

View solution

Q. If colorblindness was a dominant trait, which of the following would not be true?

View solution

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

View solution

Q. Y linked inheritance is _______________ inheritance.

View solution

Q. Which of the following is wrong?

View solution

Q. Which of the following is a Y linked gene?

View solution

Q. Which of the following is partially sex linked?

View solution

Q. A turner child born to normal parents is haemophilic. Where did the non-disjunction occur?

View solution

Q. Both Drosophila and mammals have XY system of sex determination. Dosage compensation y inactivation of one X chromosome is seen in ___________________

View solution

Q. Barr bodies are found ________________

View solution

Q. The X inactivation in female occurs by the process of lyonisation.

View solution

Q. If a chromosome loses its XIC due to deletion it will_______________________

View solution

Q. Due to the translocation process, the XIC from one X chromosome in a woman passed to chromosome 3. The individual died. What were the probable reasons of death?

View solution

Q. Lysonization takes place ____________

View solution

Q. _____________________ determines which X chromosome remains active.

View solution

Q. Which one of the following is the only active gene in the inactivated X chromosome?

View solution

Q. X inactivation is an example of epigenetic phenomenon.

View solution

Q. XIST mRNA coats the inactive X and calls in _____________

View solution

Q. Tortoise shell or calico cats are always ________________ for O locus that is responsible for orange color development.

View solution

Q. Calico cats are always______________

View solution