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Reproduction Isolation
Problems
Problem 2.1:
The product of mating between a horse and a donkey is a mule. Mules usually
develop normally into strong, healthy adults, but they are fertile. How is this
an example of reproductive isolation?
[Solution]
Problem 2.2:
What are the three main problems found in hybrid offspring?
[Solution]
Problem 2.3:
How does post-zygotic reproductive isolation differ from pre-zygotic
reproductive isolation?
[Solution]
Problem 2.4:
A species of flowering plant is successfully fertilized with pollen from a
different species of plant. Seeds form and are dispersed by the wind. These
seeds germinate and give rise to young hybrid plants. However, these hybrid
plants are not very strong and are easily killed by drought and disease and
rarely survive to reproductive age. What type of reproductive isolation is this?
[Solution]
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