PinkyTexas6790 PinkyTexas6790
  • 10-11-2021
  • Biology
contestada

Mark and Michelle both have dark hair, which is a dominant trait. But their first child is blonde. Which is the most likely explanation

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ZinCeNeyeLv
ZinCeNeyeLv ZinCeNeyeLv
  • 10-11-2021
Both parents have a recessive blonde allele that got passed on to their child.

Another gene caused the alleles for brown hair to deactivate.

It's not possible--Mark can't be the real father.

One of the two has a blonde allele that is dominant in the child.
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kamalsoma2005 kamalsoma2005
  • 10-11-2021

Answer:

They are heterozygous for the dark hair.

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