Answer to Question #114786 in Biology for jayshawn

Question #114786
What is the likelihood that the children in square 1 will have earlobes that are not attached?
1
Expert's answer
2020-05-21T09:24:04-0400

Attached earlobes is a recessive trait (allele e) while not attached earlobes is a dominant trait (allele E). The first Punnet square represents the mating between one parent with two dominant alleles (genotype EE) and one parent with two recessive alleles (genotype ee). As all offspring have one dominant and one recessive allele, it means that all children will show a dominant trait. As a result, all children (100%) will have earlobes that are not attached. 


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