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mr Goodwill [35]
4 years ago
12

How is it possible for a horse and a donkey to create a mule? Are there any other examples of inter-species breeding in nature?

Biology
1 answer:
puteri [66]4 years ago
3 0

Answer:

Horses have 64 chromosomes and donkeys 62, so when the two breed their mule offspring ends up with 63. Because this is an odd number, it's impossible for them to divide evenly into two. That means the mule cannot produce sperm and egg cells that carry exactly half the animal's chromosomes, as should happen.Aug 28, 2018

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a black rooster Mated with a white hen. based on genotypes, the chance that the offspring will be checkered is 100 percent. what
gtnhenbr [62]

Answer:

The genotypes of the rooster and the chicken are homozygous and that of their offspring is heterozygous.

This case is called codominance, where the offspring receives an allele from each parent, from the rooster and the hen, because there is codominance, so neither allele is recessive and the phenotype of both alleles is expressed so the phenotype of the offspring is checkered.

We can say then that the chicken and the rooster have equal strength between their alleles. in the cases of codominance the laws of mendel do not apply.

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I hope it helps! Have a fantastic day!

Bored~

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