Q. All genes in sex chromosomes are sex linked.

View solution

Q. An X linked recessive gene would appear to __________________

View solution

Q. A Y linked gene ___________________

View solution

Q. Genes which are present in the homologous region of X and Y chromosomes are called______________

View solution

Q. Choose the odd one out.

View solution

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

View solution

Q. 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?

View solution

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