Advertisements
Advertisements
Question
The recessive genes located on X chromosome in humans are always ______.
Options
sub-lethal
expressed in males
expressed in females
lethal
MCQ
Fill in the Blanks
Advertisements
Solution
The recessive genes located on X chromosome in humans are always expressed in males.
Explanation:
A male has only one X chromosome, so a recessive allele on it is expressed because the Y chromosome usually lacks a corresponding allele. Females generally need two copies for expression.
shaalaa.com
Is there an error in this question or solution?
