Which of the following events can result in an offspring with unique heritable characteristics?
select each correct answer. more than one answer may be correct.
1)mutations of genes in an organism's body cells
2)replication of existing genes during asexual reproduction
3)mutations of genes in an organism's sex cells
4)recombination of existing genes during sexual reproduction

Answer;

-mutations of genes in an organism's sex cells

-recombination of existing genes during sexual reproduction

Explanation;

-Recombination occurs when two molecules of DNA exchange pieces of their genetic material with each other. One of the most notable examples of recombination takes place during meiosis (specifically, during prophase I), when homologous chromosomes line up in pairs and swap segments of DNA.

-Genetic variation is increased by meiosis. During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote.

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