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Juli2301 [7.4K]
3 years ago
9

A trait, such as height, has high heritability because much of the variation between individuals is the result of genetic variat

ion. however, not all of the variation for height in a population can be attributed to genetic variation alone. why does genetic variation not always determine the differences in a given trait between individuals?
Biology
2 answers:
Mariana [72]3 years ago
8 0
Because those traits can mutate in to new ones so the answers is mutations 
Len [333]3 years ago
5 0

This is because the traits like height, are influenced by environmental conditions around the individual. For example, there are two children born to same mother. But one is given best facilities, nutrition and care, whereas other one is brought up by a poor family, which hardly get good food to eat. His condition is much worse than the first case. In such a situation, the former child will grow up healthy and fit, and will have more height than the later one. Although, both got genes from same parent, but the environmental conditions influenced the expression of those genes differently.

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