Multiple choice

What would happen if a mutation created a new allele that decreased fitness?

  1. The new allele would have to change back to an allele of higher fitness

  2. the indv with the new allele would wait for an env change to inc its fitnes

  3. new allele would decrease the fitness & offspring # of the person having it

  4. new allele will spread through the population&decrease fitness of whole pop
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fitness is defined by the ability to survive and reproduce. A mutation that decreases fitness will naturally reduce the individual's survival or reproductive success, leading to fewer offspring.

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