Question

Explain the terms haploid, diploid, and polyploid. Why is polyploidy so much more common in plants than in animals? Give examples of polyploid animals. Polyploid plants may occur naturally or they may be created intentionally by agricultural scientists. List four examples of polyploid commercial crops and explain why they are superior to their diploid ancestors.

Answer 1

Answer :-

Polyploid cells and organisms are those containing more than two paired (homologous) sets of chromosomes. Most eukaryotes have diploid somatic cells, but produce haploid gametes by meiosis.

Polyploidy is common in plants than animals because in animals sex determination mechanism involves number and type sex chromosomes.

Examples of Polyploidy animals are flatworms, leeches, brine shrimp, salmonids and many cyprinids.

Four examples of Polyploidy commercial crops are rice, wheat, barley and oats.