A) change in autosomes
B) changes in sex chromosomes
C) mutation due to malnutrition
D) both change in sex chromosome and autosomes
Correct Answer: A
Solution :
Edwards syndrome is due to trisomy of 18th chromosome (autosome). pataus syndrome is due to trisomy 13th chromosome (autosome). Downs syndrome is due to trisomy of 21th chromosome (autosome). Thus, all these syndromes are due to trisomy in different autosomal chromosomes.
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