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All the offspring of a cross between a black-eyed Mendelien and an orange-eyed Mendelien have black eyes. This means that the allele for black eyes is ________ the allele for orange eyes.

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Answer:

Dominant over

Step-by-step explanation:

Dominant genes will show up physically.( appear as phenotype) The baby has black eyes so we know it must have a genotype with a dominant allele. But, because orange eyes are less dominant than black we know that orange eyes is a recessive trait and the baby must have at least one allele of orange.

All the offspring of a cross between a black-eyed Mendelien and an orange-eyed Mendelien-example-1
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