GENETICS AND EVOLUTION
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It leads to diversity of physical traits.
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It allows for natural selection to occur.
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It allows for the survival of some individuals during difficult times.
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All answers are correct.
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Detailed explanation-1: -Thus, the correct answer is ‘The process of natural selection directly creates genetic variation.
Detailed explanation-2: -Answer: examples of genetic variation include eye colour, blood type, camouflage in animals and leaf modification in plants.
Detailed explanation-3: -Which is a true statement concerning genetic variation? It must be present in a population before natural selection can act upon the population.
Detailed explanation-4: -More variation gives a group of individuals an advantage in adapting to an environment which may be changing. Hence, sexual reproduction is more advantageous than asexual reproduction. In some cases, mutations can happen, leading to variations in asexual reproduction, due to environmental variations.