Variations during mutations of meiotic recombinations are:
a. random and directionless
b. random and directional
c. random and small
d. random, small and directional
NCERT Class XII
Biology - Main Course Book
Chapter 7. Evolution
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Variations during mutations of meiotic recombinations are Random and Directionless.
• According to the scientist, Hugo de Vries studies the mutation which causes the sudden appearance of variations that result in the specification.
• He said that the mutations are unexpected, heritable and constant in a successive generation.
• Mutations are nothing but changes occur in the DNA.
• Genetic variation is caused by mutations, mutations randomly occur and they are directionless.
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Answer:
correct answer is a) Random and directionless
Explanation:
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