NEET BIOLOGY

GENETICS AND EVOLUTION

INHERITANCE AND VARIATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Genetic disorders are caused by
A
pedigrees
B
mutations
C
dominant alleles
D
sicks-shaped cells
Explanation: 

Detailed explanation-1: -Sometimes there is a mutation, a change in a gene or genes. The mutation changes the gene’s instructions for making a protein, so the protein does not work properly or is missing entirely. This can cause a medical condition called a genetic disorder. You can inherit a gene mutation from one or both parents.

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