Evidence That Parthenogenic Whiptail Lizards Are Derived from Sexually Reproducing

question 100

Multiple Choice

Evidence that parthenogenic whiptail lizards are derived from sexually reproducing ancestors includes

• A)the requirement for male-like behaviours in some females before their partners will ovulate.
• B)the development and then regression of testes prior to sexual maturation.
• C)the observation that all of the offspring are haploid.
• D)dependence on favourable weather conditions for ovulation to occur.
• E)the persistence of a vestigial penis among some of the females.

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Definitions:

Prenatally

Pertaining to the period or development before birth; during or relating to pregnancy.

Male Sex Hormones

Androgens such as testosterone, which are responsible for the development of male secondary sexual characteristics and reproductive functions.

Gender Identity

An individual’s personal sense of their own gender, which may or may not correspond with the sex they were assigned at birth.

Lesbian Sexual Orientation

A sexual orientation characterized by a romantic or sexual attraction to individuals of the same gender, specifically between women.