Phi Is Sensitive to Unequal Marginal Distributions

question 4

True/False

Phi is sensitive to unequal marginal distributions.

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Definitions:

Hybrid Inviability

A postzygotic barrier where hybrid offspring fail to survive to reproductive age.

Gestational Abortion

The termination of a pregnancy during the gestation period, often due to natural causes such as chromosomal abnormalities.

Hybrid Breakdown

A postzygotic barrier where offspring of cross-species or cross-strain matings have reduced survival rates or fertility.

Gametic Isolation

A form of prezygotic barrier where the gametes (egg and sperm) of two different species are unable to fuse or meet to form a viable zygote.