Answer :
Crossing over between homologous chromosomes during meiosis leads to an increase in variation in the next generation.
What do human chromosomes do?
Chromosomes are organelles that are present in the nucleus of cells, and they are responsible for carrying lengthy lengths of DNA. DNA refers to the material that contains genes. The human body rests on it as its base. The proper organization of DNA is also aided by the proteins that are found in chromosomes.
What are the names of the 23 chromosomal pairs?
The average human chromosome count is 46, or 23 pairs of chromosomes in each cell. Twenty-two of these pairs—known as autosomes—have the same physical characteristics in both sexes. There are differences between the 23rd pair of sex-specific chromosomes in males and females.
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