Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired person marries a person with straight hair, what phenotypes (and in what proportions) are expected in the offspring?
What will be an ideal response?
1/2 curly (because the curly-haired individual is most likely heterozygous); 1/2 straight hair
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Which of the following term(s) likely apply to the pesticide?
a. macromolecule b. nucleic acid c. inorganic molecule d. nucleic acid and inorganic molecule
The nuclear membrane of eukaryotes originated from
a. captured aerobic bacteria. b. prebiotic soup. c. captured cyanobacteria. d. invaginations of the plasma membrane. e. the large circular chromosome of the prokaryotic ancestor.
________________ is released from the posterior pituitary gland, acts slowly, and regulates the rate at which the body loses water through the kidneys.
A. Epinephrine B. Norepinephrine C. Antidiuretic hormone D. Testosterone
Many pathogens can be readily grown in laboratory culture
Indicate whether the statement is true or false.