1.

X linked dominant trait tends to be milder in heterozygous females. State if it is true or false.(a) True(b) FalseThe question was asked at a job interview.My query is from Sex Linked Inheritance topic in portion Chromosomes and Sex Determination of Cytogenetics

Answer»

The correct ANSWER is (a) True

Explanation: As FEMALES have TWO copies of X gene, if only ONE of them is mutant there is a 50% chance of the mutant X gene being turned off in a cell due to dosage COMPENSATION. Thus, the effect of the mutant gene product is diluted.



Discussion

No Comment Found

Related InterviewSolutions