QUESTION 5 2 points Save Answer Questions 5-9: Flower color in a plant species i

Question

QUESTION 5 2 points Save Answer Questions 5-9: Flower color in a plant species is controlled by a single gene with a two alleles: RR individuals have red flowers, WW individuals have white flowers, and RW individuals have parti-color red and white flowers. There is only one population of this species, and it is extremely large (over 10 million plants). 25% of the plants have red flowers, 25% have white flowers, and 50% have parti-color flowers. Each flower type has a unique species of insect that pollinates it, although pollinators are abundant for all flower types. All of a sudden, people inadvertently introduce a new species of insect that eats and destroys many parti-color flowers every generation. There are no predators or pathogens that harm white or red flowers. For each evolutionary force below, indicate whether that force is likely to be important or un important in this population over the next 20 generations. (2 pts each) Natural Selection: Yes No QUESTION 6 Mutation: Yes No QUESTION 7 Gene Flow: Yes No

Explanation / Answer

Answer:

5.A)

YES:( Because in Natural selection Individuals with characteristics which increase their probability of survival will have more opportunities to reproduce and their offspring will also benefit from the heritable, advantageous character. So over time these variants are spread through the population in future.)

6.A)

NO:
( Mutations in genes can either have or no effect, alter the product of a gene, or prevent the gene regulation from functioning properly or completely.)

7.A)

YES: (The gene flow helps the alleles or genes migration from one population to another.)

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