In peas, purple flower colour is determined by the dominant P allele and white flower colour is determined by the recessive p allele. If purple-flowered PP plants are crossed with white-flowered pp plants, the phenotype of the F1 progeny will be:Question 4Select one:a.white-floweredb.purple-floweredc.¾ purple-flowered : ¼ white floweredd.¼ purple-flowered : ¾ white flowered
Question
In peas, purple flower colour is determined by the dominant P allele and white flower colour is determined by the recessive p allele. If purple-flowered PP plants are crossed with white-flowered pp plants, the phenotype of the F1 progeny will be:Question 4Select one:a.white-floweredb.purple-floweredc.¾ purple-flowered : ¼ white floweredd.¼ purple-flowered : ¾ white flowered
Solution
The answer is b. purple-flowered.
Here's the step-by-step explanation:
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The given problem is a classic example of Mendelian genetics, where one trait is dominant over the other. In this case, the purple flower color (P) is dominant over the white flower color (p).
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When a homozygous dominant (PP) is crossed with a homozygous recessive (pp), all the offspring in the first generation (F1) will be heterozygous (Pp).
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Because the purple color (P) is dominant, all the heterozygous (Pp) plants will have purple flowers.
So, all the F1 progeny will have purple flowers.
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