In humans, having dimples in the cheeks is a dominant trait. If a child has dimples but only one of her parents does, what are the genotypes of her parents?
A. One parent dd, other parent DD
B. one parent dd, other parent Dd
C. one parent Dd, other parent DD
D. one parent must be DD, the other parent could be either dd or Dd
E. one parent must be dd, the other parent could be either Dd or DD
E. one parent must be dd, the other parent could be either Dd or DD
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The mass number is defined as the total number of of an atom.
A. protons B. protons, neutrons, and electrons C. neutrons and electrons D. protons and electrons E. protons and neutrons
The ________ is the branch of the peripheral nervous system that is made up of nerves that carry information to and from the CNS, which results in sensations and voluntary movement
Fill in the blank(s) with correct word
Which aquatic ecosystem is characterized by ocean tides and river flow stirring up nutrients and producing abundant life?
A) the pelagic zone B) the intertidal zone C) estuaries D) wetlands E) coral reefs
Induction often occurs for ________ pathways, whereas repression is more common in ________ pathways
a. anabolic / biosynthetic b. anabolic / catabolic c. biosynthetic / anabolic d. catabolic / anabolic