Which is incorrect about chromosomes?
A) Possession of extra chromosomes is usually fatal.
B) Humans missing a chromosome usually do not survive embryonic development.
C) The organized visual arrangement of chromosomes is called a karyotype.
D) All plants have the same number of chromosomes.
E) You can determine the number of chromosomes in an individual by counting the centromeres.
Correct Answer:
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Q3: The G1,S,and G2 phases of the cell
Q14: About how many times will a human
Q15: What causes cancer in cells?
A) Damage to
Q17: DNA within chromosomes is wrapped around proteins
Q18: Which cell cycle phase is not correctly
Q20: When the chromosomes line up on the
Q21: Which of the following is not a
Q22: Proto-oncogenes encode proteins that
A) stimulate cell division.
B)
Q34: Mutated proto-oncogenes become cancer-causing genes called _.
Q39: Pairs of chromosomes that have the same
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