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What is the importance of sexual reproduction in creating variation in plant populations?
It speeds up DNA copying errors.
It prevents any variations from occurring.
It copies DNA without any changes.
It mixes DNA from two parents to create new variations.
It mixes DNA from two parents to create new variations.
Sexual reproduction involves the fusion of male and female gametes, which combines genetic material from two distinct parents. This process introduces genetic recombination, leading to unique combinations of traits in the offspring that differ from both parents.
Sexual reproduction involves the fusion of male and female gametes, which combines genetic material from two distinct parents. This process introduces genetic recombination, leading to unique combinations of traits in the offspring that differ from both parents.
This concept is fundamental to the Theory of Evolution proposed by Charles Darwin, specifically the principle of 'Variation' which serves as the raw material for natural selection.
Sexual reproduction promotes biodiversity within a population through recombination.
Genetic variation increases the ability of a population to adapt to changing environmental conditions.
Unlike asexual reproduction (cloning), sexual reproduction prevents the accumulation of harmful mutations across generations.
Asexual reproduction (fission, budding, fragmentation) typically results in clones with minimal variation, except for rare mutations.
Option A is incorrect because DNA copying errors (mutations) occur independently of the mode of reproduction.
Option B is incorrect because sexual reproduction is the primary engine for creating variation in eukaryotic populations.
Option C describes the characteristic of asexual reproduction, not sexual.
D is correct тАФ Sexual reproduction mixes DNA from two parents, which leads to genetic recombination and the formation of diverse offspring.
In Biology, remember that variation is the key to 'Survival of the Fittest'; topics on Cell Division (Meiosis) are frequently paired with this to explain how independent assortment increases genetic diversity.
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