Why Is Speciation by Polyploidy More Likely in Plants Than

question 41

Multiple Choice

Why is speciation by polyploidy more likely in plants than in animals?

• A) Plant gametes can be produced by meiosis from somatic cells that have undergone many rounds of mitosis.
• B) Plant gametes lack postzygotic isolating mechanisms.
• C) Plants are sessile and, therefore, are never prezygotically isolated to ensure reproduction.
• D) Plants are sessile and cannot speciate via dispersal.
• E) Plants lack the DNA repair enzymes that animals have.

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Definitions:

Heteronormativity

A social construct that promotes heterosexuality as the normal or preferred sexual orientation, often marginalizing other sexual orientations.

Homophobia

Prejudice or discrimination against individuals based on their actual or perceived sexual orientation, particularly toward those who are gay or lesbian.

Biphobia

The denial of bisexuality as a genuine sexual orientation, often reinforced by mainstream media.

Polygamous

The practice or condition of having more than one spouse at the same time, which is legally accepted in some cultures and religious traditions.