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for the following problem please provide me a key for allele symbols, the genotype for each parent, a punnett square with the male and female symbols, and answers to the questions.
in snapdragons, the allele for red flowers (R) is an incomplete dominant cross with the allele for white flowers (R'). if a red snapdragon (mom) is crossed with a white snapdragon (dad), what are the probable genotypes and phenotypes of the F1 generation?
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Allele key
- R = allele for red flower color
- R' = allele for white flower color
(These show incomplete dominance: R/R gives red, R'/R' gives white, R/R' gives intermediate/pink.)
Parent genotypes
- Mom (red): ♀ = RR
- Dad (white): ♂ = R'R'
Punnett square (♀ across top, ♂ down left)
♀ (mom)
R R
♂ R' | R R' | R R' |
R' | R R' | R R' |
F1 results
- Genotypes: 100% R R' (all heterozygous)
- Phenotypes: 100% pink (intermediate color)
- Ratios: genotypic 100% R R'; phenotypic 100% pink (0% red, 0% white)
- R = allele for red flower color
- R' = allele for white flower color
(These show incomplete dominance: R/R gives red, R'/R' gives white, R/R' gives intermediate/pink.)
Parent genotypes
- Mom (red): ♀ = RR
- Dad (white): ♂ = R'R'
Punnett square (♀ across top, ♂ down left)
♀ (mom)
R R
♂ R' | R R' | R R' |
R' | R R' | R R' |
F1 results
- Genotypes: 100% R R' (all heterozygous)
- Phenotypes: 100% pink (intermediate color)
- Ratios: genotypic 100% R R'; phenotypic 100% pink (0% red, 0% white)
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