1. CH. 10: Cell GROWTH & DIVISION

2. 1.
An advantage of sexual reproduction over asexual reproduction is that sexual reproduction
Takes less time
Requires more time
Provides genetic diversity
Produces identical offspring

3. 2. When during the cell cycle are chromosomes visible?
Only during interphase
Only when replicating
Only during cell division
Only during the G1 phase

4. 3. Which event occurs during interphase? The cytoplasm divides
Centrioles duplicate
Spindle fibers begin to form
Centromeres divide

5. 4.
During normal mitotic cell division, a parent cell that has four chromosomes will produce two daughter cells, each containing
Two chromosomes
Four chromosomes
Eight chromosomes
Sixteen chromosomes

6. 5.
One difference between cell division in plant cells and in animal cells is that plant cells have
Centrioles
Centromeres
A cell plate
Chromatin

7. 6.
During early development, all cells in the embryo of a multicellular organism are identical. Later in development, the cells become specialized through a process called
Apoptosis
Cytokinesis
Differentiation
Interphase

8. 7. Why are stem cells important? They have specialized DNA.
They are incapable of becoming cancer cells.
They have the potential to undergo cell division.
They have the potential to develop into other cell types.

9. 8. When during the cell cycle is a cell’s DNA replicated? G1 phase
S phase
M phase

10. 9. Compared to small cells, large cells have more trouble Dividing
Producing daughter cells
Storing needed materials and waste products
Moving needed materials in and waste products out

11. 10. Which of the following happens when a cell divides?
The cell’s volume increase.
It becomes more difficult for the cell to get rid of wastes.
Each daughter cell receives its own copy of the parent cell’s DNA.
It becomes more difficult for the cell to get enough oxygen and nutrients.

12. 11.
Which of the following is a correct statement about the events of the cell cycle?
Little happens during the G1 and G2 phases.
DNA replicates during cytokinesis.
The M phase is usually the longest phase.
Telophase is part of the M phase.

13. 12. In eukaryotic cells, the timing of the cell cycle is regulated by
Centrioles
Cyclins
Spindle fibers
The nuclear envelope

14. 13.
Cancer is a disorder in which some cells have lost the ability to control their
Size
Spindle fibers
Growth rate
Surface area

15. 14.
During ___________ reproduction, cells can produce genetically different offspring whereas during ____________ reproduction, cells produce genetically identical offspring.

16. 15.
Together, the G1 phase, S phase, and G2 phase are called ______________________.

17. 16.
Embryonic stem cells gathered from the inner cell mass of the blastocyst are called __________ because they can develop into most but not all human cell types.

18. CH. 11: INTRO TO GENEtICS

19. 17.
If a pea plant has a recessive allele for green peas, it will produce
Green peas if it also has a dominant allele for yellow peas.
Both green peas and yellow peas if it also has a dominant allele for yellow peas.
Green peas if it does not also have a dominant allele for yellow peas.
Yellow peas if it does not also have a dominant allele for green peas.

20. 18.
If a pea plant’s alleles for height are tt, what is true of its parents?
Both parents were tall.
Both parents were short.
Both parents contributed a recessive allele.
Both parents contributed a dominant allele.

21. 19.
How many different allele combinations would be found in the gametes produced by a pea plant whose genotype is RrYY? 2 4 8 16

22. 20.
A male and female bison that are both heterozygous for normal skin pigmentation (Aa) produce an albino offspring (aa). Which of Mendel’s principles applies?
Dominance only
Independent assortment only
Dominance and segregation
Segregation only

23. 21.
When one allele is not completely dominant over another, this is an example of
Multiple alleles
Incomplete dominance
Polygenic inheritance
Multiple genes

24. 22.
A cross of a black chicken (BB) with a white chicken (WW) produces all speckled offspring (BW). This type of inheritance is known as
Incomplete dominance
Polygenetic inheritance
Co-dominance
Multiple alleles

25. 23. Variation in human skin color is an example of
Incomplete dominance
Codominance
Polygenetic traits
Multiple alleles

26. 24. Gametes have Homologous chromosomes
Twice the number of chromosomes found in body cells
Two sets of chromosomes
One allele for each gene

27. 25. Chromosomes form tetrads during Prophase I of meiosis
Metaphase I of meiosis
Interphases
Anaphase II of meiosis

28. 26. The farther apart two genes are located on a chromosome, the
Less likely they are to be inherited together
More likely they are to be linked
Less likely they are to assort independently
Less likely they are to be separated by crossing-over

29. 27. What is formed at the end of meiosis?
Two genetically identical cells
Four genetically different cells
Four genetically identical cells
Two genetically different cells

30. 28.
A tall plant (TT) is crossed with a short plant (tt). If the tall F1 pea plants are allowed to self-pollinate,
The offspring will be of medium height.
All of the offspring will be tall.
All of the offspring will be short.
The offspring can be tall or short.

31. 29.
A heterozygous tall pea plant is crossed with a short plant. The probability that an F1 plant will be tall is
25%
50%
75%
100%

32. 30.
What principle states that during gamete formation genes for different traits separate without influencing each other’s inheritance?
Principle of dominance
Principle of independent assortment
Principle of probabilities
Principle of segregation

33. 31. If an organism’s diploid number is 12, its haploid number is 12 624 3

34. 32. Gametes are produced by the process of Mitosis Meiosis
Crossing-over
Replication

35. 33. Unlike mitosis, meiosis results in the formation of Diploid cells
Haploid cells
2n daughter cells
Body cells

36. 34. Linked genes Are never separated Assort independently
Are on the same chromosome
Are always recessive

37. CH. 12: DNA

38. 35. DNA replication results in two DNA molecules,
Each with two new strands
One with two new strands and the other with two original strands
Each with one new strand and one original strand
Each with two original strands

39. 36. In what way is DNA like a book?
DNA has information organized with a kind of index.
DNA has stored information that can be copied and passed on.
DNA has information wrapped in an identifying cover.
DNA has information that is periodically updated.

40. 37.
During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases ________________.

41. Ch. 13: RNA & PROTEIN SYNTHESIS

42. 38. Which of the following are found in both DNA and RNA?
Ribose, phosphate groups, and adenine
Deoxyribose, phosphate groups, and guanine
Phosphate groups, guanine and cytosine
Phosphate groups, guanine and thymine

43. 39. What is produced during transcription? RNA molecules DNA molecules
RNA polymerase
Proteins

44. 40.
There are 64 codons and 20 amino acids. Which of the following is true?
Several different codons can specify the same amino acid.
Each codon specifies a different amino acid.
Some amino acids have no link to a codon.
Each amino acid is specified by only one codon.