In genomic imprinting
A. a trait affects a structure found only in one sex.
B. genes on the Y chromosome are only expressed in males.
C. the same allele has a different effect if inherited from the mother or father.
D. children copy their parents' behavior.
Answer: C
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Explain how these statements differ, and identify which one(s) is/are correct. Explain what is wrong with each incorrect statement. Explain when chemical reactions continue and when they stop.
A. A chemical reaction proceeds until the enzyme molecules are all consumed. B. A chemical reaction proceeds until the substrate molecules are all consumed. C. A chemical reaction proceeds until equilibrium is established. D. A chemical reaction proceeds until all the product molecules are removed.
Sensorineural deafness occurs when sound waves are not adequately conducted through the external and middle portions of the ear to set the fluids in the inner ear in motion
a. True b. False Indicate whether the statement is true or false
What congenital disorder can occur when there is a temporary lack of oxygen during delivery of a baby?
A) hydrocephalus B) anencephaly C) spina bifida D) cerebral palsy
After initial entry of bacteria into a cut in the skin, vasodilation of local blood vessels and increased capillary permeability occur. Which of the following events is NOT part of the adaptive immune response to the infection?
A. antigen interaction with lymphocytes B. production of antibodies that bind to antigens C. B-cell differentiation into plasma cells D. vasodilation of local blood vessels E. activation of lymphocytes