What situation results from a postfertilization barrier to reproduction? what situation results from a postfertilization barrier to reproduction? gamete incompatibility mechanical isolation of a species mutations in genes that control development offspring that fail to develop?

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26-02-2018
Biology

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What situation results from a postfertilization barrier to reproduction? what situation results from a postfertilization barrier to reproduction? gamete incompatibility mechanical isolation of a species mutations in genes that control development offspring that fail to develop?

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jamuuj jamuuj · Answer 1 · 2018-03-11T15:33:51+01:00

I believe the answer is Offspring that fail to develop. Post-fertilization barriers is where fertilization occurs but hybrid cannot reproduce. There two types of post fertilization barriers; Hybrid in-viability where the Zygote cannot complete development b/c genetic instructions are incomplete. The other one is Hybrid sterility where the hybrid organism cannot produce offspring b/c chromosome number is odd.