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1. How does mitosis in plant cells dier from that in animal cells?
A. Animal cells lack centrioles.
B. Plant cells lack spindle bers.
C. Animal cells lack a cell plate.
D. Animal cells lack cytokinesis.
2. If a piece of DNA breaks o from a chromosome and attaches itself to a
nonhomologous chromosome at another location, what type of change
has occurred?
A. Duplication
B. Translocation
C. Deletion
D. Inversion
3. _______ have the potential to develop and specialize into any cell type,
which means they're
A. adult stem cells; totipotent.
B. adult stem cells; multipotent.
C. embryonic stem cells; totipotent.
D. embryonic stem cells; multipotent.
5. When you notice that someone has unusually blue eyes, you've noticed
their
A. genotype.
B. phenotype.
C. hybridization.
D. allele.
6. A recessive allele t is responsible for a condition called distonia. A man
who has this condition marries a woman who doesn't. One of their four
children has the condition. What are the possible genotypes of the man
and the woman? (Hint: To help you answer this question, create a Punnett
square for each possibility.)
A. The father is tt; the mother is Tt.
B. The father is tt; the mother is TT.
C. Both parents are TT.
D. The father is Tt; the mother is TT.

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7. Which one of the following phrases best describes the human
karyotype?
A. 46 pairs of autosomes
B. Sex chromosomes along with 23 pairs of autosomes
C. X and Y chromosomes and 22 pairs of autosomes
D. One pair of sex chromosomes and 22 pairs of autosomes
8. The phase of cell division in which chromosomes align on the spindle
equator halfway between the spindle poles is
A. metaphase.
B. telophase.
C. anaphase.
D. prophase.
10. Crossing-over involves the exchange of genetic information between
A. sex chromosomes.
B. sister chromatids.
C. homologues.
D. chromatids.
11. Which one of the following statements about mitosis is correct?
A. It consists of two parts: mitosis I and mitosis II.
B. It creates haploid nuclei.
C. It's part of the process of oogenesis.
D. It forms two identical daughter cells.
13. Which of the following processes occurs during meiosis and not
mitosis?
A. Cytokinesis
B. Crossing-under
C. Cytogenesis
D. Crossing-over
Answers:-

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1. C. Animal cells lack a cell plate.
2. B. Translocation
3. C. embryonic stem cells; totipotent.
5. B. phenotype.
6. A. The father is tt; the mother is Tt.
7. D. One pair of sex chromosomes and 22 pairs of autosomes
8. A. metaphase.
10. C. homologues.
11. D. It forms two identical daughter cells.
13. D. Crossing-over

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1. How does mitosis in plant cells differ from that in animal cells?A. Animal cells lack centrioles.B. Plant cells lack spindle fibers.C. Animal cells lack a cell plate.D. Animal cells lack cytokinesis.2. If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologous chromosome at another location, what type of change has occurred?A. DuplicationB. TranslocationC. DeletionD. Inversion3. _______ have the potential to develop and specialize into any cell type, which means they'reA. adult stem cells; totipotent.B. adult stem cells; multipotent.C. embryonic stem cells; totipotent.D. embryonic stem cells; multipotent.5. When you notice that someone has unusually blue eyes, you've noticed theirA. genotype.B. phenotype.C. hybridization.D. allele.6. A recessive allele t is responsible for a condition called distonia. A man who has this condition ...
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