According to mendels one copy of a gene is passed randomly from each parent to their offspring. this is why gametes usually have half the usual number of chromosomes.

Law of Segregation

Explanation:

Gregor Mendel was a scientist known for experimenting the pea plants in relation to the topic on "Heredity." Under this, he came up with the "Law of Segregation." This states that an organism only receives one gene copy of every gamete once it makes gametes. This is also "randomly selected." This is the reason why only one copy of a gene is passed from each parent to the offspring. In order to check the allele combinations, a "Punnett square" is being used.

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