In flowering plants, gametes are produced mitotically from spores
Indicate whether the statement is true or false
TRUE
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A gram-negative, oxidase-positive diplococcus growing on chocolate agar likely belongs to the genus
A) Neisseria. B) Escherichia. C) Mycobacterium. D) Pseudomonas.
A particular flower can be purple, blue, red, or white. A pure-breeding purple plant is crossed with a pure-breeding white plant and the F1 are then crossed to produce an F2 generation. What might a 9:3:4 phenotype ratio in the F2 indicate?
A) reciprocal recessive epistasis B) codominance C) dominant epistasis D) recessive epistasis E) additivity
Sea urchins and jellyfish are both radially symmetrical, but sea urchins and humans are much more closely related than sea urchins and jellyfish. Why is this true?
A. Sea urchins have bilaterally symmetrical larvae and exhibit radial cleavage. B. Humans are descendents of sea urchins not jellyfish. C. Jellyfish have bilaterally symmetrical, triploblastic larvae. D. Humans are radially symmetrical during most of their embryonic development.
Fertilization takes place in the uterus. Indicate whether the statement is true or false