In flowering plants the small male gametophyte plants are known as
A. spores.
B. stamens.
C. seeds.
D. pollen.
D. pollen.
Biology & Microbiology
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In a single individual, how might herbicide resistance occur?
a. natural selection b. development of a mutation in a gene c. evolution of a specific gene d. sharing of alleles among individuals in a population
Biology & Microbiology
What is the cause of Tay—Sachs disease?
What will be an ideal response?
Biology & Microbiology
What is the correct equation for the Hardy-Weinberg principle?
a. p2 + 2pq2 + q2 + q2 = 100 b. p2 + 2p + 2q + q2 = 1 c. p2 ? 2pq + q2 = 1 d. 2p2 + 2pq + 2q2 = 1000 e. p2 + 2pq + q2 = 1
Biology & Microbiology
Which is a type of lymphocyte that forms in the bone marrow but matures in the thymus gland?
A) lymphoma B) T cell C) B cell D) none of the above
Biology & Microbiology