To answer this question, subtract from the total population of 1000 the homozygous dominant (DD) frogs of 280 and the homozygous recessive (dd) frogs of 220, and you are left with 500 frogs that by default are <span>heterozygotes (dD). The frequency of these frogs would be 500/1000 = 0.5</span>
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The benefits of sexual reproduction:
In the offspring, genetic variation produces
Due to variation, the species can adapt to new environments, giving them a survival advantage.
a disease is less likely to affect all the individuals in a population
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All other things being equal the size of a population will decrease if the death rates exceeds the birthrates...
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Effect of long stress on blood glucose levels It is important to be aware that repeated episodes of stress can cause serious changes in blood sugar levels, making it harder for diabetics to manage their condition and increasing the risk of hypoglycemia (low blood sugar).
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