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Fish Genetics and Breeding- ICAR JRF/SRF 2024
MCQ (Single Correct)
+4
−1
A heritability value of 0.7 for height in humans indicates that:
- Interpretation of Heritability ($h^2$):
- Heritability: A population statistic representing the proportion of total phenotypic variance ($\sigma_P^2$) in a trait that is attributable to genetic variance ($\sigma_G^2$):
- heritability value of $0.7$ ($70\%$) indicates that $70\%$ of the phenotypic variation observed among individuals within the population is caused by genetic differences, while the remaining $30\%$ is environmental. It does not measure the genetic contribution within a single individual.
- Correct Option: Option 3 (70% of the variation in height within a population is due to genetic factors).
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