Question

In cucumbers, dull fruit (D) is dominant over glossy fruit (d), orange fruit (R) is dominant over cream fruit ( r ), and bitter cotyledons (B) are dominant over nonbitter cotyledons (b). The following cross is performed: DdRrBb× ddrrBb. Determine the proportion of offspring that have the following phenotypes: ( 5pts) a) dull, orange, bitter: b) dull, cream, nonbitter: c) glossy, cream, bitter: d) glossy, orange, bitter:

Answer 1

Refer to the attachment.

I have performed 3 separate monohybrid crosses for the above trihybrid cross which is a simpler method of obtaining probabilities of offsprings in larger crosses
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