What percentage of genes are shared by twins (identical/monozygotic and fraternal/dizygotic)?
Gene is referred to as the basic biochemical unit of hereditary. Its primary function is to store and transmit genetic information to successive generations. Genes are the section of DNA molecules that cipher psychological (temperament/intelligence) as well as physical (hair/skin/eye color).
Twins are two offspring produced during the same pregnancy. Twins are characterized as identical and fraternal. Identical twins or monozygotic (MZ) twins are of the same sex and from one fertilized ovum, which splits in the process of mitosis.
Fraternal twins or dizygotic (DZ) twins can be of the same sex or of different, which develop from two separate ova that are fertilized by two separate sperms. Fraternal twins are like ordinary siblings but are born during a single pregnancy.
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