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A species of scarab beetles have red, orange or golden wing covers. A cross between a...

A species of scarab beetles have red, orange or golden wing covers. A cross between a pair of orange beetles gave 3/4 orange and 1/4 golden offspring. A cross between a red and an orange pair have 1/2 red and 1/2 orange offspring. How do you explain these results? Choose the best answer. The trait is controlled ….

1) by 3 alleles and recessive relations

2) 3 alleles and incomplete dominance

3)3 alleles and both incomplete dominance and recessive alleles

4) two alleles with dominant and recessive relations

5) two alleles and incomplete dominance

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