Free and attached earlobes in people are an example of:
AVolumes of one tissue
BVariants of one trait
CVitamins of one group
DVessels of one organ
Answer & Solution
Correct answer: B. Variants of one trait
1. A child bears the basic features of a human being but does not look exactly like its parents.
2. Human populations show a great deal of variation.
3. Free and attached earlobes are two variants found in human populations.
_Source: NCERT Class 10 Science, Ch 9 'Heredity and Evolution'_
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