Download Chapter 10 Review

Chapter 10 Review
1. Which represents a polyploid
organism?
A.
B.
C.
D.
1/2n
1 1/2n
2n
3n
2. How many chromosomes would
a cell have during metaphase 1 of
meiosis if it has 12 chromosomes
during interphase?
A.
B.
C.
D.
6
12
24
36
3. If a black guinea pig (Bb) were
crossed with a white guinea pig
(bb), what would be the resulting
phenotypic ratio?
A.
B.
C.
D.
0 black :1 white
1black : 0 white
1 black : 1 white
3 black : 1 white
4. Which is not a characteristic of
homologous chromosomes?
A. Homologous chromosomes have the
same length.
B. Homologous chromosomes have the
same centromere position.
C. Homologous chromosomes have the
exact same type of allele at the same
location.
D. Homologous chromosomes pair up
during meiosis I.
5. In garden peas, purple flowers
(P) are dominant to white flowers
(p), and tall plants (T) are dominant
to short plants (t). If a purple tall
plant (PpTt) is crossed with a white
short plant (pptt), what is the
resulting phenotypic ratio?
A. 1:1:1:1
C. 9:3:3:1
B. 3 purple tall:3 purple short
D. All purple tall
6. Which does not contribute to
genetic variation?
A.
B.
C.
D.
Chromosome number
Crossing over
Meiosis
Random mating
7. Which concept is considered an
exception to Mendel’s law of
independent assortment?
A.
B.
C.
D.
Crossing over
Gene linkage
Polyploidy
Law of segregation
8. For the housefly with six pairs of
chromosomes, how many possible
combinations of gametes can be
produced by the random linking up
of pairs in meiosis?
A.
B.
C.
D.
32
48
64
120
9. In a cell undergoing meiosis,
during which stage do the sister
chromatids separate from each
other?
A.
B.
C.
D.
Anaphase I
Anaphase II
Telophase I
Telophase II
10. How many chromosomes does
a body cell have?
A.
B.
C.
D.
2
23
42
46
11. What is the term for genes
located close to each other on the
same chromosome?
A.
B.
C.
D.
Crossing over
Gene linkage
Homologous chromosomes
Sister chromatids
B= brown hair
b= blond hair
12. What is the genotype of a woman with
homozygous brown hair?
A.
B.
C.
D.
Bb
BB
Bb
None of the above
B= brown hair
b= blond hair
13. What is the phenotype of a woman that
is bb?
A.
B.
C.
D.
Brown hair
Homozygous recessive
Blond hair
Homozygous dominant
14. What law states that alleles
must separate upon being passed
on?
A.
B.
C.
D.
Mendel’s monohybrid cross
Law of Independent Assortment
Law of Segregation
Mendel’s dihybrid cross
15. Passing on the dominant allele
for hair color and the recessive
allele for eye color is an example of
the…
A.
B.
C.
D.
Mendel’s monohybrid cross
Law of Independent Assortment
Law of Segregation
Mendel’s dihybrid cross
16. What process does not
increase genetic variation?
A.
B.
C.
D.
Meiosis
Crossing over
Mitosis
Random fusion of sperm/egg
17. An organism that has a different
form of a trait from each parent is
called a
A.
B.
C.
D.
Homozygote
Purebred
Hybrid
fluke
18. If the diploid number of a fruitfly
is 26, what is the haploid number?
A.
B.
C.
D.
26
0
22
13
For the remainder questions, list
either A for Mitosis, or B for
Meiosis:
19. Crossing over occurs.
A. Mitosis
B. Meiosis
20. 2 diploid cells are formed
A. Mitosis
B. Meiosis
21. Occurs in gametes
A. Mitosis
B. Meiosis
22. Associated with asexual
reproduction.
A. Mitosis
B. Meiosis
23. Associated with growth
A. Mitosis
B. Meiosis
24. Could occur in bone cells
A. Mitosis
B. Meiosis
25. Daughter cells are not identical
to parent cells
A. Mitosis
B. Meiosis
26. 1 division occurs
A. Mitosis
B. Meiosis
27. Chromosome number is ½ the
original
A. Mitosis
B. Meiosis
28. 4 daughter cells are formed
A. Mitosis
B. Meiosis
29. Involved in repair of cells
A. Mitosis
B. Meiosis
30. Involved in formed new and
diverse organism
A. Mitosis
B. Meiosis
31. A white mouse whose
parents are both white produces
only brown offspring when
mated with a brown mouse. The
white mouse is most probably
A. Homozygous recessive
B. Heterozygous
C. Homozygous dominant
D. haploid
32. A dog’s phenotype can be
determined by
A. Looking at the dog’s parents
B. Examining the dog’s chromosomes
C. Mating the dog and examining its
offspring
D. Looking at the dog
33. Crossing over results in a
A. Female genotype
B. Male genotype
C. Genetic recombination
D. Phenotype replication