In humans, normal skin pigmentation is influenced by a dominant gene (C), which allows pigmentation to develop. All individuals who are homozygous for the recessive allele (c) are unable to produce an enzyme needed for melanin formation and are therefore referred to as albino. Two normal parents produce an albino child. What are the chances that the next child will be an albino?
A. 1/2 chance
B. 2/3 chance
C. 1/4 chance
D. 1/8 chance
E. no chance
Answer: C
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Which of these is not part of a seed?
A. endosperm B. embryo C. diploid cells D. seed coat E. fruit
Sea turtles lay their eggs in the sand on the beach. When the sea turtle eggs hatch, the babies migrate to the water without any assistance from the parent. This behavior, in which they are born with, is known as
A. All of the answer choices are correct. B. behavior learned by observation. C. innate behavior. D. learned behavior. E. habituation.
You are a detective on a sexual assault case and are presented with these DNA data. Who would you arrest for the crime?
1.The boyfriend.
2.Suspect 1.
3.Suspect 2.
4.There is still not enough information. I would arrest no one.
Glucagon raises blood glucose levels by:
a. stimulating the liver to take up glucose. b. inhibiting gluconeogenesis. c. stimulating gluconeogenesis. d. inhibiting fatty acid mobilization. e. inhibiting amino acid mobilization