When a diploid plant produces diploid gametes due to nondisjunction during meiosis, what occurs?
A. An increase in the number of chromosomes above the parent species occurs.
B. Autoploidy is occurring.
C. A triploid or tetraploid plant may occur.
D. All of the answer choices are true.
Answer: D
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Argon has 18 protons. How many electrons are in its third energy level?
a. 2 b. 4 c. 6 d. 8 e. 10
Large evolutionary changes that result in the placement of related organisms into different genera or higher-level taxa occur via the process of ________
A) speciation B) macroevolution C) microevolution D) independent evolution E) evolutionary differentiation
If short hair (L) is dominant to long hair (l), then what fraction of the offspring produced by a cross of Ll ยด ll will be
homozygous dominant? a. 1/2 b. 1/4 c. 1/3 d. 0 e. 2/4
Which of the following statements regarding the endomembrane system is false?
A) The endomembrane system is involved in the synthesis, storage, and export of important molecules. B) The endomembrane system includes the rough and smooth endoplasmic reticulum. C) The endomembrane system includes the nuclear envelope. D) The endomembrane system is a system of interrelated membranes that are all physically connected.