1. Snap dragon flowers exhibit incomplete dominance in flower colour such that R
ID: 60451 • Letter: 1
Question
1. Snap dragon flowers exhibit incomplete dominance in flower colour such that Rr individuals have pink flowers, rr have white flowers, and RR have red flowers. You encounter a population of flowering snapdragon and count 3 individuals with white flowers, 39 individuals with pink flowers, and 8 individuals with red flowers.
a.If the population were in Hardy-Weinberg equilibrium, how many pink individuals would you expect to find in a sample of 50 plants?
b.What are two distinct hypotheses that could be used to explain your observation (that is, the difference between what you observe and expect)?
Explanation / Answer
Please find the answers below:
Answer a: According to the information, a total of 50 Snapdragon flowers are collected and noticed. According to Mendelian pattern of inheritance, all the F1 progeny contain the phenotype resembling the dominant parent type. Since the flower color red is dominant here, ideally it would have been expected that none of the flowers was pink in color.
Answer b: Due to discrete observation of the pink flowers, following hypotheses can be formulated:
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