List of top Zoology Questions on Genetics asked in AP EAPCET

Assertion (A): The p53 gene is often called guardian angel of human genome. Reason (R): It inhibits the development of tumors.

Study the following statements regarding genic balance theory and identify incorrect statements: A) The production of gametes with abnormal number of chromosomes is due to non-disjunction. B) In Drosophila 'XO' males produce motile sperms. C) Sex index < 0.5 indicates intersexes in Drosophila. D) 'Y' chromosome in Drosophila lacks testis determining factor.

The blood group of the mother is B and the progeny in the family is 25 % A blood type, 25 % AB, and 50 % B blood type. What are the genotypes of the parents?