Q. The genes, which are confined to differential region of Y‐chromosome only, are called

 1565  200 AIPMTAIPMT 1994Principles of Inheritance and Variation Report Error

Solution:

The genes present on the differential region of Ychromosome are called holandric genes. They are passed directly from male parent to male offspring. Gene which has undergone mutation within the particular stock of organisms is called mutant gene. Chromosome which is not a sex chromosome is called autosomal chromosome. Sexlinked genes are genes having special distribution with reference to sex as a result of being carried on the X-chromosome.