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Although we pass on the same genes (units of heredity) to our offspring as we inherit...

Although we pass on the same genes (units of heredity) to our offspring as we inherit from our parents, we do not pass on the same chromosomes. Why is this true?

Science   Anatomy-And-Physiology   
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Answer #1

Meiosis is an essential event in sexually reproducing organisms.
It generates new variants in the progeny by two mechanisms
1. Independent assortment of chromosomes
2. Crossing over between non-sister chromatids of the homologous pair of chromosomes

Due to recombination, the maternal and paternal genomes are recombined (Mixed). Hence, the gametes that an individual produces contains recombinant chromosomes. Hence a person cannot transmit the same chromosome that he/she inherited from his/her parents.

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