Question

In a different plant species, flower color is controlled by two genes that contribute equally to the final flower color. Plants with red flowers have the genotype: C^RC^R D^RD^R, while plants with white flowers have the genotype: C^WC^W D^WD^W. A red flowering plant was mated to a white flowering plant and all of the F₁progeny had pink flowers. These pink flowered F₁ plants were allowed to self-fertilize to produce F₂progeny. What is the genotype of the F₁ plants that produced pink flowers?

1.) C^WC^R D^RD^R

2.) C^WC^W D^RD^R

3.) C^RC^R D^WD^W

4.) C^RC^W D^RD^{W (THIS ONE SHOULD BE CORRECT)}

Referring to the crosses described in the previous question, how many different flower colors will be present in the F₂ population? Hint: there are different shades of color depending on the number of dominant alleles.

1.) 3

2.) 6

3.) 5

4.) 4

Answer 1

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