Biology

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Which of the following cells check for during the G2 check point?
a. Growth hormone c. DNA integrity
b. Nutritional status d. Cell size

In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase?
a. 64 b. 32 c. 16 d. 8 e. 4

The X and Y chromosomes are considered
a. Homologous chromosomes. c. Nonhomologous chromosomes.
b. Complementary chromosomes. d. Parallel chromosomes.

If a cell has 20 chromosomes in G1, how many chromatids will be present during prophase?
a. 30 b. 20 c. 5 d. 40

During the cell cycle of a eukaryotic cell, each chromosome is replicated to become a chromosome with two chromatids, and then the chromatids are pulled apart to form two separate chromosomes.
a. True b. False

Which of the following statements is incorrect about homologous chromosomes?
a. Homologous chromosomes are similar but not identical
b. Homologous chromosomes have the same size and function
c. Homologous chromosomes contain genes for the same kind of protein products
d. Homologous chromosomes cannot be duplicated

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