In a classic Mendelian monohybrid cross between a homozygous dominant parent and a homozygous recessive parent, which generation is always completely heterozygous?
A. F1 generation
B. F2 generation
C. F3 generation
D. P generation
Answer: A
Biology & Microbiology
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Carbon-12 and carbon-13 are different in the number of their _____.
A. neutrons
B. electrons
C. protons
D. protons and electrons
Biology & Microbiology
If a scientist were studying the interaction of different proteins in the regulation of insulin secretion from a pancreatic cell, he or she would be studying
A. genomics. B. proteomics. C. cell biology. D. both genomics and proteomics. E. both proteomics and cell biology.
Biology & Microbiology
Chromosomes are aligned at the middle of the
cell during
a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase
Biology & Microbiology
Mammals descended from a group of reptiles known as:
a. eutherians. b. lancelets. c. therapsids. d. holothurians. e. labyrinthodonts.
Biology & Microbiology