Define, in your own words, the biological meaning of heritability
What will be an ideal response?
Heritability is often imprecisely defined as a measure of the genetic component of a trait. More precisely, it is a statistical measure that quantifies the influence of genes on phenotypic variance with respect to a given trait.
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Major hotspots of biodiversity, today's coral reefs have developed over only about _____ years of Earth's history
A. 10,000 B. 100,000 C. 1 million D. 40 million E. 100 million
If a codon in the mRNA is 5’-ACG-3’, then the anticodon of the proper tRNA will be
a. 5’-UGC-3’ b. 5’-CGU-3’ c. 5’-CGT-3’ d. 5’-TGC-3’ e. 5’-GCA-3’
The greatest volume of blood is found in the:
a. aorta and arteries b. capillaries c. veins d. lungs e. heart
There is a strong correlation between stress and susceptibility to colds. What does this mean?
A) Stress must directly cause susceptibility to colds. B) A high susceptibility to colds must directly cause stress. C) People with high stress must come into contact with more cold viruses. D) Stress might or might not affect susceptibility to colds.