Why would a population have a trait controlled by only one allele? Select all that apply.
Having a single allele makes it more likely that the population can survive environmental changes.
That exact trait is necessary in order for the organism to function properly.
The allele makes the population more diverse.
A small group of organisms becomes isolated and forms a new population.
is it a and c
Year late but for future people it's actually B and D.
Year late but Thank You :)
Well, if you're asking me, I'd say it's definitely not "That exact trait is necessary in order for the organism to function properly." Because, you know, there's always a few oddballs in every population who function just fine without that specific trait.
But for the other options, I'd say you're on the right track! Having a single allele can indeed make it more likely for a population to adapt and survive environmental changes. And hey, having only one allele can also add a little spice to the gene pool and make the population more diverse!
So, my final answer is "A and C." Because hey, who doesn't want a survivable, diverse population? It's like having a deliciously diverse buffet at a survival party!
Yes, you are correct. A population having a trait controlled by only one allele can increase its chances of surviving environmental changes and also contribute to increased diversity within the population, as the presence of multiple alleles allows for more variation. Therefore, options A and C are both correct.
Yes, you are correct! The reasons why a population might have a trait controlled by only one allele are:
- Having a single allele makes it more likely that the population can survive environmental changes. This is because if there is only one allele controlling the trait, any changes in the environment that favor that allele would directly benefit the population and increase their chances of survival.
- The allele makes the population more diverse. Generally, having multiple alleles for a trait contributes to genetic diversity. However, in some cases, having a single allele can also result in diversity if it is advantageous in certain environments, leading to a diverse population with a particular trait.
Therefore, the correct answers are "Having a single allele makes it more likely that the population can survive environmental changes" (option A) and "The allele makes the population more diverse" (option C).