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Let’s learn together about: Which processes lead to most genetic variation in sexually reproducing organisms?
Question: Which processes lead to most genetic variation in sexually reproducing organisms?
Research on sexual reproduction:
The process of sexual reproduction creates new organisms through the combination of genetic material from two organisms. This sexual reproduction occurs in both eukaryotes as well as eukaryotes, something that isn’t usually found in plants.
Salient features of sexual reproduction:
+ Sexual reproduction involves the formation and fusion of two types of gametes: male and female gametes
+ The exchange as well as recombination of two different genomes takes place.
+ Sexual reproduction is always associated with meiosis to produce gametes.
Answer:
Crossing over is the process that results in the greatest genetic variation among sexually reproducing organisms. The process of gamete development is called meiosis. During prophase I, duplicates of homologous chromosomes are aligned during meiosis. Crossing over is a process in which homologous chromosomes swap parts of their genetic code. This results in chromosomes which are unique to the parent. The chromosomes of the parent are randomly assigned to gametes by two subsequent cell divisions during meiosis. The gametes fetuse during fertilization to create offspring with a genetic heritage that is different from the parent organisms.
Conclusion:
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