BIOLOGY
BIO EXAM 3 for Brophy at Liberty University at Liberty
University
1. Which of the following hormones is produced by normal males?
a. follicle-stimulating hormone (FSH)
b. testosterone
c. progesterone
d. follicle-stimulating hormone (FSH) and progesterone
E. BOTH A AND B
2. Which of the following results in the end the menstrual cycle and the beginning of the next cycle?
a. a surge in luteinizing hormone
b. decreased serotonin levels
C. A DECREASE IN PROGESTERONE LEVELS AND THE BREAK-DOWN OF THE CORPUS LUTEUM
d. a rise in the level of progesterone
e. a drop in testosterone levels
3. DNA replication occurs
A. DURING THE S PHASE OF INTERPHASE.
b. immediately before metaphase of mitosis.
c. during prophase of mitosis.
d. during prophase of meiosis.
e. at any time during cell division.
4. In mitosis, if a parent cell has 32 chromosomes, each daughter cell will have how many chromosomes?
a. 64
B. 32 IS THE CORRECT ANSWER
c. 16
d. 8
e. 4
Which of the following is the proper sequence for mitosis?
I. metaphase, II. telophase, III. prophase, IV. anaphase
a. I, III, IV, II c. III, I, IV, II e. III, IV, I, II
b. I, II, III, IV d. IV, I, III, II
a. I, III, IV, II
b. I, II, III, IV
C. III, I, IV, II is the correct answer
, d. IV, I, III, II
e. III, IV, I, II
6. Meiosis typically results in the production of
a. 2 diploid cells.
b. 4 diploid cells.
C. 4 HAPLOID CELLS.
d. 2 haploid cells.
e. 1 triploid cell.
7. If a parent cell has 64 chromosomes and undergoes meiosis, the resulting cells will have how many
chromosomes?
a. 64
B. 32 is the correct answer
c. 16
d. 8
e. 4
8. The theory of segregation
a. states alleles from two separate genes do not affect each other
b. applies only to linked genes.
c. applies only to sex-linked genes.
D. SAYS THE ALLELES OF A GENE ARE SEPARATED INTO DIFFERENT SEX CELLS
e. none of these
9. Mendel's principle of independent assortment states that
a. one allele is always dominant to another.
b. hereditary units from the male and female parents are blended in the offspring.
C. THE INHERITANCE OF ALLELES FOR ONE GENE DON'T AFFECT THE INHERITANCE OF THOSE OF
OTHER GENES
d. the two hereditary units from the parents randomly affect other traits also
e. all of these
10. Different versions of the same gene are called
a. chiasmata.
B. ALLELES
c. germotes
d. chromosomes
e. daughter cells
11. If two sisters have brown hair, but one is Bb and the other is BB they have different
