Asked by
Geria Johnson
on Oct 28, 2024
Verified
A porpoise and a dolphin, both mammals, mate and produce an embryo, but the embryo fails to complete development. This event describes:
A) hybrid sterility.
B) hybrid inviability.
C) hybrid breakdown.
D) gametic isolation.
E) gestational abortion.
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.
- Recognize the ramifications of hybridization among various species.
- Contrast prezygotic with postzygotic barriers and recognize their significance in species development.
- Comprehend the results of interspecific mating, including hybrid sterility and hybrid inviability.
Verified Answer
HS
Learning Objectives
- Recognize the ramifications of hybridization among various species.
- Contrast prezygotic with postzygotic barriers and recognize their significance in species development.
- Comprehend the results of interspecific mating, including hybrid sterility and hybrid inviability.
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