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Kryger [21]
3 years ago
14

Each sentence below describes a step of the scientific method. Match each sentence with a step of the scientific

Biology
1 answer:
Ymorist [56]3 years ago
4 0
1. H
2. H
3. C
4. E
5. E
6. E
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B. He has no E alleles.

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In order for the boy to have an attached earlobes phenotype, he must have no E alleles, because the E is dominant. So his genotype must be ee. If he has even just a single E allele (like Ee) he will have detached earlobes, because the dominant trait will mask the expression of the recessive trait.

Why not A or D: Heterozygous Ee (one of each allele) would result in detached earlobes.

Why not C: If he has no recessive alleles, EE, he would have detached earlobes.

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