FUNBIO 22 - Transmission genetics: X-linkage and population genetics

Question 1

Define polyploidy.

Answer 1

Species that have more than two paired sets of homologous chromosomes, such as having three in one pair. Polyploidy is very common in plants, making them more adaptable and vigorous, but sterile.

Question 2

Define Aneuploidy.

Answer 2

An abnormal number of chromosomes due to chromosomal nondisjunction, which is the failure of homologous chromosomes or sister chromatids to separate properly during cell division.