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In a testcross involving F(1) dihybrid f...

In a testcross involving `F_(1)` dihybrid flies, more parental-type offsping were produces than the recombinant-type offspring. This indicates

A

chromosomes failed to separate during meiosis

B

the two genes are linked and present on the same chromosome

C

both of the characters are controlled by more than one gene

D

the two genes are located on two different chromosomes

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The correct Answer is:
B
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