A) lethal
B) sub-lethal
C) expressed in males
D) expressed in females
Correct Answer: C
Solution :
The recessive genes located on X-chromosome in humans are always expressed in males because a female may be homozygous or heterozygous while male is always hemizygous (i.e., only one allele is present). As Haemophilia, colourblindness are some human diseases which are frequently found in males.You need to login to perform this action.
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