Which situation demonstrates only the genetic influence on a trait?
A) Hair dye turns Angela's brown hair to red.
B) Sandy's hair becomes blonder when she spends time out in the sun.
C) Jen has brown hair, just like her mother and father.
D) Identical twins Kiera and Tanya have different colored hair.
C
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When scientists used flaps on the same plant to make observations of water flow they were attempting to remove the possibility of:
A. artificial results B. experimental variation C. differentiated results D. separation factors E. alignment factors
In deductive reasoning, specific observations may be used to draw a broad, general conclusion
a. true b. false
The form of RNA that carries the code from the DNA to the site where the protein is assembled is
called a. messenger RNA. b. nuclear RNA. c. ribosomal RNA. d. transfer RNA. e. structural RNA.
When you walk into your grandma's house, you follow the smell of the baking chocolate chip cookies using ________ cues, but after spending a half an hour in the kitchen, you cannot notice the strong smell anymore because of ________, meaning that your
receptors adjusted. A) olfactory; stapedial reflex B) olfactory; sensory adaptation C) visual; sensory adaptation D) visual; stapedial reflex