MCQ
Marriages between close relatives should be avoided because it includes more:
- ✓Recessive alleles to come together.
- BMutations.
- CMultiple births.
- DBlood group abnormalities.
Marriage between related individuals are risky. It is because the recessive alleles in the gene pool will accumulate.
If the recessive allele, which reaches the female individual is heterozygous, female is called as carrier.
Then the gene gets transferred to further generations, and in male child the defective gene will be expresses to cause disease.
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