Question

Polyploid plants that have an odd number of chromosome sets are usually ______, and those with an even number of chromosome sets are usually ______?

1) sterile, fertile
2) fertile, sterile
3) diploid, haploid
4) haploid, diploid

Answer 1

Polyploid plants with an odd number of chromosome sets are usually sterile, while plants with an even number of chromosome sets are usually fertile.

Step-by-step explanation:

Polyploid plants that have an odd number of chromosome sets are usually sterile, and those with an even number of chromosome sets are usually fertile. Polyploidy is a condition in which an organism has more than the normal number of chromosome sets. Odd numbers of chromosome sets in polyploid organisms result in sterility because meiosis cannot proceed normally due to one set of chromosomes having no pair. In contrast, even numbers of chromosome sets in polyploid organisms allow for normal meiosis and fertility.