EVOLUTION
SOURCES OF VARIATION IN A POPULATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these is an example of variation?
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Identical twins having identical DNA.
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Two potato plants that are clones of each other.
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Two Guinea pigs having different coloured fur.
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Two human beings having similar body parts.
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Explanation:
Detailed explanation-1: -According to the laws of genetics, half of the pups produced will be Roan as the Roan gene is dominant. Selfs are a very common type of guinea pig, coming in twelve different colours including cream, black, chocolate and lilac. Selfs are the same colour all over, with a smooth, non-wiry coat.
Detailed explanation-2: -So the F1 generation formed is of genotype BbRr and the organism formed is a black rough guinea pig.
Detailed explanation-3: -The genotypes of 2 guinea pigs, for 2 traits are represented as AABB and aabb. The guinea pigs are mated and the offspring eventually mate with eachother.
Detailed explanation-4: -Examples: If we see a white guinea pig, it’s genotype must be “bb".
There is 1 question to complete.