Offer a verbal explanation of the figure above. Explain how the study graphed here illustrates the concept of ‘norm of reaction.'

What will be an ideal response?


ANS:
Will vary, but should include the phenotype of the plant (yarrow) depending on the effects of both genotype and environment; mention should be made of genotype 1 growing tallest at low elevation and genotype 4 growing tallest at medium elevation.

Biology & Microbiology

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The polymerase chain reaction was developed by:

a. Francis Crick. b. Walter Gilbert. c. E.M. Southern. d. Kary Mullis. e. Leland Hartwell

Biology & Microbiology

Ever since the antibiotic drug penicillin was discovered in 1928, the incidence of resistant bacteria has steadily increased as a direct result of

(a). biodiversity. (b). natural selection. (c). homeostasis. (d). development. (e). reproduction.

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Which of the following is NOT an organic molecule?

A) Nucleic acid B) Lipid C) Protein D) Carbon monoxide E) Monosaccharide

Biology & Microbiology

In many species of birds, males are XX and females are XZ. In cases like this, which sex is most likely to display a sex-linked recessive trait?

A) males B) females C) Males and females are equally likely to display a sex-linked recessive trait. D) No Y chromosome is present; therefore, they are not affected by sex-linked recessive traits. E) the gender that is incubated at a higher temperature

Biology & Microbiology