Natalie has noticed that when her dog had puppies, the puppies looked very different from the mother and from each other. This was due to natural genetic variation. Which of the following describes how genetic variation contributes to evolution?

A. Genetic variation within a population means that all organisms will be better suited for survival.
B. Genetic variation results in offspring only receiving from their parents helpful characteristics.
C. Genetic variation increases the ability of a species to survive environmental changes.
D. Genetic variation results in a higher number of offspring produced in each generation.

Genetic variation resulting in offspring only getting advantageous traits from their parents shows that genetic variation has contributed to evolution.

How genetic variation leads to evolution?

The change in the activity of the gene or the function of the protein known as genetic variations can present distinct traits within an organism. In case, if the trait exhibits merit and assists the individual to survive and reproduce, then there is a greater possibility that the genetic variation will be passed on to the next generation.

With time, the generations possessing the advantageous trait will continue to reproduce, and thus, the advantageous trait will become common within a population. This will eventually makes the population distinct from the ancestral one. At certain occasions, the population turn so distinct that it can be regarded as a novel species.

Thus, the correct statement is option B.

Find out more information about the relationship of genetic variation and evolution here:

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