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

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

The process by which eggs in a test tube are fertilized by sperm is called ________

Fill in the blank(s) with correct word

Biology & Microbiology

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.

Biology & Microbiology