Latest Verified Review 2024 Practice Questions and
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1) If a horticulturist breeding gardenias succeeds in having a single plant with a
particularly desirable set of traits, which of the following would be her most probable and
efficient route to establishing a line of such plants?
- ✔Clone the plant.
2) Which of the following statements defines a genome?
- ✔the complete set of an organism's genes and other DNA sequences
3) Asexual reproduction occurs during which of the following processes?
- ✔- mitosis
4) Quaking aspen trees can send out underground stems for asexual reproduction. Sexual
reproduction is not as common, but when it does happen, the haploid gametes have 19
chromosomes. How many chromosomes are in the cells of the underground stems?
-✔3
5) Which of the following statements is correct in comparing sexual and asexual
reproduction?
- ✔ In sexual reproduction, individuals transmit half of their nuclear genes to each of
their offspring.
6) At which stage of mitosis are chromosomes usually photographed in the preparation of
a karyotype?
- ✔ metaphase
7) Which of the following statements is true of a species that has a chromosome number
of 2n = 16?
- ✔Each diploid cell has eight homologous pairs of chromosomes.
8) Eukaryotic sexual life cycles show tremendous variation. Which of the following
characteristics do all sexual life cycles have in common? I. Alternation of generations II.
Meiosis II. Fertilization IV. Gametes V. Spores
- ✔ II, III, and IV
, Campbell Biology Test Bank Chapter 13
Latest Verified Review 2024 Practice Questions and
Answers for Exam Preparation, 100% Correct
9) Which of the following processes occurs in a plant's sexual life cycle?
- ✔ gametophytes produce gametes by mitosis
10) Which of the following statements describes an example of alternation of
generations?
- ✔A diploid plant (sporophyte) produces a spore by meiosis that gives rise to a
multicellular, haploid pollen grain (gametophyte).
11) A particular organism has 46 chromosomes in its karyotype. Which of the following
statements is correct regarding this organism?
- ✔ It produces gametes with 23 chromosomes.
12) A triploid cell contains three sets of homologous chromosomes. If a cell of a diploid
species that normally has 42 chromosomes per cell is triploid, this cell would be expected
to have which of the following sets of chromosomes?
- ✔ 63 chromosomes in 21 sets of 3
13) Which of the following processes might produce a human zygote with 45
chromosomes?
- ✔ an error in meiotic anaphase occurring in either an egg or sperm
14) In a human karyotype, chromosomes are arranged in 23 pairs. If we choose one of
these pairs, such as pair 14, which of the following do the two chromosomes of the pair
have in common?
- ✔ length, centromere position, staining pattern, and traits coded for by their genes
Refer to the life cycles illustrated in the figure below to answer the following questions.
15) Which of the life cycles is typical for animals?
- ✔ I only
16) Which of the life cycles is typical for plants and some algae?
- ✔ III only