in diploid set of chromosome deletion and addition of chromosome of a homologous pair leads to
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Diploid cells have two homologous copies of each chromosome, usually one from the mother and one from the father. ... Human diploid cells have 46 chromosomes (the somatic number, 2n) and human haploid gametes (egg and sperm) have 23 chromosomes (n).
Explanation:
Aneuploidy is changed in chromosome number by additions or deletions of less than a whole set.
The presence of multiple numbers of complete haploid chromosomal sets is polyploidy.
The presence of three complete haploid chromosomal sets is triploidy (3n).
Euploidy refers to the presence of more than two complete sets of chromosomes.
So, the correct answer is option A.
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