Sections
Review Questions
Review Questions
1.
How many and what type of daughter cells does meiosis produce?
- four haploid
- four diploid
- two haploid
- two diploid
2.
What structure is most important in forming the tetrads?
- centromere
- chiasmata
- kinetochore
- synaptonemal complex
3.
At which stage of meiosis are sister chromatids separated from each other?
- anaphase I
- anaphase II
- prophase I
- prophase II
4.
At metaphase I, homologous chromosomes are connected only at what structures?
- chiasmata
- kinetochores
- microtubules
- recombination nodules
5.
What phase(s) of mitotic interphase is missing from meiotic interkinesis?
- G0 phase
- G1 phase
- G2 phase
- S phase
6.
What part of meiosis is most similar to mitosis?
- reduction division
- interkinesis
- meiosis I
- meiosis II
7.
Which of the following is not true during crossing over?
- Chiasmata are formed.
- Nonsister chromatids exchange genetic material.
- Recombination nodules mediate cross over events.
- Spindle microtubules guide the movement of chromosomal material.
8.
During which phase does the second round of genetic variation occur during meiosis?
- anaphase I
- metaphase I
- prophase II
- Genetic variation only occurs during prophase I.
9.
Which type of life cycle has both a haploid and a diploid multicellular stage?
- alternation of generations
- asexual
- diploid-dominant
- haploid-dominant
10.
What is a source of variation in asexual reproduction?
- crossing over of chromosomes
- mutation of DNA
- random assortment of chromosomes
- There is no variation in asexual reproduction.
11.
What is a likely evolutionary advantage of sexual reproduction over asexual reproduction?
- Sexual reproduction involves fewer steps.
- Sexual reproduction results in variation in the offspring.
- Sexual reproduction is more metabolically efficient.
- Sexual reproduction uses up fewer resources in a given environment.
12.
What is a disadvantage of sexual reproduction over asexual forms of reproduction?
- Half the population is capable of carrying offspring.
- Identical offspring are not produced.
- Adaptation to rapidly changing environments is more difficult.
- Mutation rates are slower.
13.
Fungi typically display which type of life cycle?
- alternation of generations
- asexual
- diploid-dominant
- haploid-dominant
14.
What is a haploid cell produced in a diploid-dominant organism by meiosis called?
- gamete
- gametophyte
- spore
- sporophyte