how does crossing-over lead to greater variability of phenotypes?

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how does crossing-over lead to greater variability of phenotypes?

2007-12-13 14:00:57 · 2 answers · asked by xunsunghero 2 in Science & Mathematics ➔ Botany

2 answers

This animation will explain it quite well: http://www.zerobio.com/crossing_over.htm

2007-12-13 19:35:53 · answer #1 · answered by Dean M. 7 · 0⤊ 0⤋

crossing over means that two chromosomes have changed their genetic code.
Thus creating different looks. without crossing over then offspring would look identical to the parents.

A Phenotype is the the physical appearance caused by a gene.

2007-12-15 15:58:40 · answer #2 · answered by Lisa v 2 · 0⤊ 0⤋