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Title: how does a sperm fertilizing and egg create new combinations of alleles in the zygote ? Post by: riyaz on Jan 9, 2012 how does a sperm fertilizing and egg create new combinations of alleles in the zygote ?
Title: how does a sperm fertilizing and egg create new combinations of alleles in the zygote ? Post by: smidwids on Jan 9, 2012 the sperm hold half, the egg holds half, when they fuse the alleles join together giving aspects of both parents depending on the dominant genes.
(example) black is the dominant gene (theoretically) B= black b=blonde BB=black hair Bb= black hair bb = blonde hair |