Answered

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In the Japanese four o’clock flower, red flower (RR) color is incompletely dominant over white flower (rr) color; the heterozygous plants have pink flowers (Rr). What kinds of offspring can be produced if a red-flowered plant is crossed with a pink flowered plant?

What is the genotype ratio of this cross?
What is the phenotype ratio of this cross?

Sagot :

Oseni

If a red-flowered plant is crossed with a pink flower plants, the genotype ratio would be 1:1 for RR and Rr, and 1:1 for red and pink flower phenotypes.

Monohybrid crossing

Red trait has the genotype RR.

Pink trait has the genotype Rr:

Crossing both:

                                RR    x    Rr

                              RR   Rr   RR   Rr

Thus, only RR (red flower) plants and Rr (pink flower) plants are produced.

Genotype ratio = 1RR : 1Rr

Phenotype ratio = 1 Red flower : 1 Pink flower

More on monohybrid crossing can be found here: https://brainly.com/question/1185199

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