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BIOLOGY

JAMB 2006 - Question 18

Biology 2006 JAMB Past Questions - Question 18: Hassan and Hussain are identical twins but Hassan grows taller and fatter than Hussain. This is probably because

Choose the most appropriate option for the gap .

Hassan and Hussain are identical twins but Hassan grows taller and fatter than Hussain. This is probably because

A: Hassan inherits genes for tallness and fatness from the father

B: they have dissimilar genotypes

C: Hussain is endowed with genes for shortness and thinness

D: they are raised in different environments

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Correct Answer

Explanation

DIdentical twins are individuals produced as a result of fertilization ofan egg by a spermatozoon to form a zygote. The.zygote divides into two whichseparates from one another. Each half develops into an offspring. The resultingtwins look alike both physically and mentally. Whatever differences that existbetween them are as a result of nurturing them in different homes orenvironments.