where do an organism’s genes come from?
An organism’s genes come from their parents
An organism’s genes come from their parents. Genes are segments of DNA (deoxyribonucleic acid) that carry the instructions for the development, functioning, and characteristics of an organism. Each parent contributes half of an organism’s genes, which are passed on through reproductive cells called gametes.
Sexual reproduction is the process by which genes are inherited. In this process, organisms produce gametes (sperm and eggs) through a special type of cell division called meiosis. During meiosis, the genetic material is shuffled and recombined, resulting in new combinations of genes. When fertilization occurs, where a sperm and an egg unite, the offspring receives a unique combination of genes from both parents.
It is important to note that genes can carry information related to inherited traits from previous generations, including physical characteristics, susceptibility to diseases, and even behavioral traits. This exchange and combination of genes through sexual reproduction contribute to genetic diversity in populations.
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