Sentences with phrase «sized gametes»
It describes how a population evolves from different mating types producing same - sized sex cells (or gametes) to mating types producing different - sized gametes, such as where there are distinct males and females.
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He derived a prediction from an existing mathematical model of the Disruptive Selection Theory that states that for the evolution of males and females to remain stable, the ratio of the size of the larger gamete to the smaller gamete has to be greater than three.
Due to random assortment of gametes and the relatively small litter size, the actual percentage of puppies affected with NAD produced in Carrier to Carrier mating often deviates from the expected 25 %.