In morning glory flowers, plants with red flowers can be homozygous RR or heterozygous Rr. Plants...

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Question

Biology

In morning glory flowers, plants with red flowers can behomozygous RR or heterozygous Rr. Plants that arerr have white flowers. How can you determine the genotypeof a plant that has red flowers?
Multiple Choice
A. Cross the red plant with another red plant, and then crossthe F₁ population with each other to see if any whiteplants appear.
B. The phenotype reflects the genotype, so the plant must behomozygous for the trait.
C. Cross the red plant with a white plant to see how many redplants appear.
D. Cross the red plant with a white plant to see if any whiteplants appear.
E. Cross the red plant with another red plant to see if anywhite plants appear.

Answer & Explanation Solved by verified expert

3.9 Ratings (617 Votes)

ANSWER Basically the preference would be a test cross But for carrying out a test cross there would be two different phenotypic ratios observed which reflects the different genotypes Lets consider a cross between a red plant and a white See Answer

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