If meiosis did not precede fertilization, what would happen to the chromosome number after each generation?
A. It would be half of the parents’ chromosome number.
B. It would be two times the parents’ chromosome number.
C. It would be four times the parents’ chromosome number.
D. It would be eight times the parents’ chromosome number.
E. It would remain the same.
Answer: B
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The eukaryotic chromosome is composed of ____
a. DNA only b. RNA only c. DNA and carbohydrate d. DNA and protein e. RNA and protein
Which of the following describes the blood-brain barrier?
A) It is part of the immune system that involves the release of antibodies to protect the brain from infectious agents B) It is a property of the closely packed endothelial cells of the walls of brain capillaries that prevents large molecules from entering the brain C) It is a property of blood vessels of the brain that promotes the diffusion of nutrients into the tissue of the brain D) It is a property of neurons that prevents them from accidentally releasing their neurotransmitters in to the blood circulation
Which of the following is one of the oldest antimicrobial agents and can be used as a tincture on cuts or in combination with a detergent to prepare skin for surgery
What will be an ideal response?
Viruses such as MS2 and Qß pack additional information into their genomes through the use of overlapping genes.
Answer the following statement true (T) or false (F)