how is the equal genetic contribution of male and female
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in sexual reproduction.we need father and mother germ cells or gametes to fertilization takes place .mother egg wont be fertilize until it fuses with male germ cells
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How is the equal genetic contribution of male and female parents ensured in the progeny?
During the formation of gametes as a result of reductional division (meiosis), sperms - XY & eggs - XX receive only single genome of a parent.
When fertilization occurs, one genome each from sperm & egg reaches the zygote.
It means both male & female parents contribute exactly equal amount of genetic material to the offspring.
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