Essay
Different species can sometimes interbreed to produce hybrid offspring.For example,the breeding of a horse with a donkey produces a mule.However,these hybrids are usually sterile.A horse will produce gametes with 32 chromosomes,and a donkey will produce gametes with 31 chromosomes,resulting in a mule with 63 chromosomes.Using your understanding of meiosis,propose a reason why mules are sterile.
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Because the cells have an odd ...View Answer
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