Assume that a new mutation occurs in the germ line of an individual. What finding would suggest that the new mutation is dominant rather than recessive?
What will be an ideal response?
If the new mutation is dominant and passed to the next generation, it would be expressed. New recessive mutations are not normally expressed in the next generation unless, through a combination with a like mutation from the other parent, they are homozygous.
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It's your birthday and you splurge with a big slice of chocolate cake, heavy on the icing. Shortly afterwards, your blood glucose levels rise until an endocrine mechanism (secretion of insulin) counteracts this rise and glucose levels decline. The initial change in blood glucose and insulin response that follows is an example of
A. physiological constancy. B. diffusion. C. homeostasis. D. positive feedback. E. lack of homeostasis.
Why is the total ATP produced via aerobic respiration different from the net ATP produced?
What will be an ideal response?
Foreign substances that elicit an immune response are called:
A. Antibodies B. Interleukins C. Cytokines D. Antigens
When light energy hits a photopigment, the molecule
A) is separated from the plasma membrane. B) is destroyed, setting off a series of chemical reactions. C) forms an enzyme. D) changes shape, setting off a series of chemical reactions. E) generates an action potential.