The condition that exists when an organism gains or loses one or more chromosomes but not a complete haploid set is known as ________
A) triploidy B) trisomy C) polyploidy D) aneuploidy E) euploidy
D
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The following events took place in a rice plant. Arrange them in order of occurrence
1 . Seed formation takes place in the ovary. 2 . Self-pollination. 3 . Double fertilization takes place in the female gametophyte. 4 . Pollen is produced in the anther. 5 . The mature rice grains are harvested. a. 5, 4, 3, 2, 1 b. 4, 2, 1, 3, 5 c. 4, 2, 3, 1, 5 d. 4, 3, 2, 1, 5 e. 4, 2, 3, 5, 1
Which of the following is not an
environmental cue for plants? a. Length of night. b. Temperature. c. Earth’s magnetic field. d. Presence of pathogens. e. Gravity.
The process by which eggs in a test tube are fertilized by sperm is called ________
Fill in the blank(s) with correct word
The term obligate refers to
A. using oxygen for metabolism. B. using light for energy production. C. existing in a very narrow niche. D. using chemicals for energy production. E. the ability to exist in a wide range of conditions.