Download Assessment Asexual and Sexual Reproduction

Assessment
Asexual and Sexual Reproduction
Instructions
Check your understanding with this practice assessment.
1) Which of the following is the simplest form of sexual reproduction?
A) fertilization
B) regeneration
C) conjugation
D) binary fission
2) Trisomy on chromosome 21 results in
A) Patau syndrome
B) a cleft palate and serious brain defects
C) Down syndrome
D) a sex genotype of XXY
3) Cells with two complete sets of chromosomes are
A) eggs
B) diploid
C) haploid
D) sperm
4) Nondisjunction of the X chromosome can result in
A) Patau syndrome
B) Klinefelter syndrome
C) Down syndrome
D) a cleft palate and serious brain defects
5) Which of the following statements about the differences between
mitosis and meiosis is true?
A) Homologous chromosomes only occur in meiosis.
B) Both processes produce two daughter cells.
C) Daughter cells in meiosis are identical to the parent cells.
D) Both processes undergo two cell divisions.
6) Which is NOT an aneuploidy?
A) monosomy
B) bisomy
C) partial trisomy
D) full trisomy
7) There is complete pairing of all homologous chromosomes during
what phase of meiosis?
what phase of meiosis?
A) prophase I
B) metaphase I
C) anaphase I
D) telophase I
8) Which is needed before meiosis can begin?
A) recombination
B) DNA replication
C) aneuploidy
D) corpus luteum
9) How many polar bodies does a primary oocyte produce?
A) 1
B) 2
C) 3
D) 4
10) What must the chromosome count of a primary spermatocyte be?
A) aneuploid
B) polyploid
C) haploid
D) diploid
11) Which process directly contributes to propagation of a species?
A) reproduction
B) respiration
C) adaptation
D) growth
12) Monosomy describes the condition where
A) the daughter cell has only one parent cell
B) the daughter cell has one extra chromosome
C) the daughter cell is missing a chromosome from the parent cell
D) the daughter cell is missing a chromosome from both parents cells
13) A woman's menstrual cycle runs an average of 28 days. At what
point in the cycle does ovulation occur?
A) in the first 3 days
B) in the first week
C) approximately 14 days into the cycle
D) on the last day of the cycle
14) What cells produce primary spermatocytes?
A) germ cells
B) secondary spermatocytes
C) spermatagonia
D) sperm
15) Which part(s) of the somatic cell is used in SCNT?
A) cytoplasm
B) nucleus
C) gamete
D) all organelles except the nucleus
16) Oogenesis results in the formation of
A) a haploid cell
B) an egg
C) a gamete
D) all of the above
17) What process contributes to genetic diversity during meiosis I?
A) crossing over
B) mutation
C) sister chromatid separation
D) cytokinesis
18) An imbalance in the number of chromosomes is caused by
A) crossing over
B) aneuploidy
C) asexual reproduction
D) nondisjunction
19) What begins cell division in SCNT?
A) fertilization
B) nuclear reprogramming
C) decondensation
D) electric shock
20) What hormone is elevated at the start of the menstrual cycle?
A) testosterone
B) follicle-stimulating horomone
C) lutenizing hormone
D) estrogen
21) The follicle left after an egg is released during ovulation is called
a(n)
A) oocyte
B) tertiary follicle
C) corpus luteum
D) atresia
22) An embryo grows into a zygote through
A) cell division
B) fertilization
C) reproduction
D) implantation
23) How many secondary follicles remain nine days into the menstrual
cycle?
A) one
B) two
C) nine
D) hundreds
24) Somatic cell nuclear transfer occurs
A) in areas of extreme temperatures on Earth
B) when an organism cannot find a mate to reproduce with
C) only among microogranisms in nature
D) artificially in labroratory settings
25) What is produced at the end of meiosis?
A) two diploid cells
B) two haploid cells
C) four diploid cells
D) four haploid cells
26) When does implantation occur?
A) when sperm enter a female's vaginal opening
B) when a sperm head enters the egg cytoplasm
C) when a plant generates an offspring from budding
D) when an embryo attaches to the wall of a uterus
27) Which of the following happens near the 14th day of the menstrual
cycle?
A) The hypothalamus is stimulated.
B) There is a surge of LH.
C) The estrogen levels rise.
D) A tertiary follicle develops.
28) How does the number of divisions in mitosis compare to that in
meiosis?
A) There are half as many divisions in meiosis.
B) There are twice as many divisions in meiosis.
C) There are the same number of divisions in both processes.
D) The number of divisions depends on the organism.
29) During which phase is DNA replicated?
A) G0
B) G1
C) G2
D) S
30) The genome of the zygote from SCNT
A) is unique from its parents genome
B) is identical to the egg cell's genome
C) is identical to the somatic cell's genome
D) is recombined from the egg and somatic cell
31) Which of the following is true about the daugther cells of mitosis?
A) There are four of them.
B) They are haploid.
C) They are genetically identical to the parent cell.
D) They contain recombined DNA.
32) Mitosis occurs in body cells whereas meiosis occurs in
A) bacterial cells
B) cells of sex organs
C) zygotes
D) somatic cells
33) What happens as soon as a sperm enters an egg?
A) mitiosis occurs
B) the sperm is destroyed
C) development begins
D) the egg is activated
34) What cells could possibly be used in SCNT?
A) skin and cardiac cell
B) egg and muscle cell
C) egg and sperm cell
D) bacterial and somatic cell
35) Chromatin unwinds in a process called
A) activation
B) decondensation
C) fertilization
D) mobilization
36) How does a spermatid differ from a spermatazoa?
A) spermatid is diploid
B) spermatzoa are diploid
C) spermatazoa give rise to spermatids
D) there is no difference
37) What cells are haploid?
A) all cells
B) somatic cells
C) bacterial cells
D) gametes
38) During meiosis II,
A) sister chromatids line up during prophase II
B) paired homologous chromosomes line up during metaphase II
C) sister chromatids separate during anaphase II
D) homologous chromosomes cross over during prophase II
39) Trisomy 16 is a common aneuploidy in human pregnancies. This
means
A) chromosome 16 has three copies
B) part of chromosome 16 moved to another chromosome
C) fetuses with trisomy 16 will miscarry
D) non-disjunction occurred during mitosis
40) Crossing over allows for an exchange of genetic material that
increases genetic variation. When does crossing over occur?
A) in mitosis, but not meiosis
B) in meiosis I and II
C) in meiosis I only
D) in mitosis and meiosis I only
41)
How many parents contribute genes to an offspring during asexual reproduction?
A) 0
B) 1
C) 2
D) 3
42) The fusion of sperm and egg is
A) reproduction
B) copulation
C) conjugation
D) fertilization
43) Trisomy on chromosome 13 results in
A) Patau syndrome
B) Klinefelter syndrome
C) Down syndrome
D) a sex genotype of XXY
44) Which of the following is NOT a layer that develops out of
gastrulation?
A) blastoderm
B) ectoderm
C) endoderm
D) mesoderm
45) A spermatocyte will undergo meiosis to generate
A) eggs
B) homologous chromosomes
C) gametes
D) daughter cells