Which of the following can be regarded as qualitative (or discrete) trait variation? Select one: 1.Weight...
Which of the following can be regarded as qualitative (or discrete) trait variation?
Select one:
1.Weight of humans
2.The presence of thorns on plants
3.The length of thorns on plants
4.The root:shoot ratios of plants
5.Levels of bacterial enzyme activities
Homework Answers
Answer: Option 2 is
correct
Explanation:
Quantitative traits are regulated by multiple genes and exhibit
continuous variation.
Examples:
i. Skin color, height, and weight in humans
ii. Length of thorns and shoot-root ratio in plants
iii. Levels of bacterial enzyme activities
Qualitative traits are often
regulated by a single gene and exhibit discrete variation.
Example: The presence or absence of thorns in plants
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