What does the model of hybrid dysgenesis predict for the F1 and F2 generations when an M-cytotype male is crossed to a P-cytotype female?
What will be an ideal response?
F1 and F2 will be wild type and have normal fertility.
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Which of the following is a protein activated during apoptosis?
A. growth factor B. oncogene C. chimeric gene D. caspase E. transposase
Why do most replication errors occur?
a. DNA polymerases work very fast and mistakes are inevitable. b. DNA repair mechanisms do not work well. c. DNA replication is a slow and uncommon process. d. The hydrogen bonds between base pairs are weak. e. DNA ligase often binds incorrect sections of DNA.
Which of the following statements about asexual reproduction is TRUE?
a. The offspring are genetically identical to each other. b. The offspring are genetically identical to their parent. c. It is common in vertebrates. d. The offspring are genetically identical to each other and to their parent. e. The offspring are clones of each other but not clones of their parent.
Which chemicals are natural pain suppressors?
a. substance P b. bradykinins c. prostaglandins d. histamine e. endorphins