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What is the significance of crossing over during meiosis in plants?
What is the significance of crossing over during meiosis in plants?
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What is the significance of crossing over during meiosis in plants?
It increases genetic diversity
It ensures identical offspring
It repairs DNA
It produces energy
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Crossing over during meiosis increases genetic diversity by exchanging genetic material between homologous chromosomes.
Questions & Step-by-step Solutions
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Q: What is the significance of crossing over during meiosis in plants?
Solution:
Crossing over during meiosis increases genetic diversity by exchanging genetic material between homologous chromosomes.
Steps: 6
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Step 1: Understand that meiosis is a special type of cell division that produces sex cells (like pollen and ovules in plants).
Step 2: Learn that during meiosis, chromosomes come in pairs called homologous chromosomes.
Step 3: Know that crossing over is when these homologous chromosomes exchange pieces of genetic material.
Step 4: Realize that this exchange creates new combinations of genes, which are different from the original chromosomes.
Step 5: Understand that having different combinations of genes leads to genetic diversity, meaning there are more variations in traits among plants.
Step 6: Recognize that genetic diversity is important for the survival and adaptation of plant species in changing environments.
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