Question
Biology Question on Principles of Inheritance and Variation
Select the incorrect statement from the following
A
Baldness is a sex-limited trait
B
Linkage is an exception to the principle of independent assortment in heredity
C
Galactosemia is an inborn error of metabolism
D
Small population size results in random genetic drift in a population
Answer
Baldness is a sex-limited trait
Explanation
Solution
Baldness is a sex influenced trait. The dominance of alleles may differ in heterozygotes of the two sexes. This phenomenon is called 'sex influenced dominance'. Gene products of heterozygotes in the two sexes may be influenced differentially by sex hormones.