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What would be the ploidy of the viable gametes produced by a tetraploid individual if nondisjunction of all chromosomes occurred in meiosis I?

a. Diploid
b. Tetraploid
c. Haploid
d. Triploidraploid individual and a diploid individual produces biologically fit offspring.

1 Answer

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A. Diploid

During meiosis, the number of chromosomes is reduced by half. Since a tetraploid cell has four copies of each chromosomes, gametes produced from that cell would be diploid, having only two copies of each chromosome.

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