Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 7, Problem 3RQ
Which type of life cycle has both a haploid and diploid multicellular stage?
a. an asexual life cycle
b. diploid-dominant
c. haploid-dominant
d. alternation of generations
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At which point during meiosis do haploid cells first appear?
A. metaphase I
B. anaphase I
C. metaphase II
D. anaphase II
In which phases in meiosis is variation of genetic makeup accomplished?
a. Prophase I, Anaphase I and Anaphase II
b. Prophase II, Anaphase I and Anaphase II
c. Prophase I, Metaphase I and Anaphase II
d. Prophase II, Metaphase I and Metaphase II
If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively?
a. 6 and 12
b. 12 and 6
c. 6 and 3
d. 6 and 6
In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is
A. doubled
B. halved
C. tripled
D. the same
Elongation of the cell undergoing the last phases of mitosis is due to
A. movement of the chromosomes to the opposite poles
B. increase in the volume of the cytoplasm that should be contained
C. depolymerization of the spindle fibers connected to the kinetochore
D. polymerization of the spindle fibers not connected to the kinetochore
At which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase II c. anaphase I d. anaphase II
Chapter 7 Solutions
Concepts of Biology
Ch. 7 - Figure 7.2 If a mutation occurs so that a fungus...Ch. 7 - What is a likely evolutionary advantage of sexual...Ch. 7 - Which type of life cycle has both a haploid and...Ch. 7 - Which event leads to a diploid cell in a life...Ch. 7 - Meiosis produces daughter cells. a. two haploid b....Ch. 7 - At which stage of meiosis are sister chromatids...Ch. 7 - The part of meiosis that is similar to mitosis...Ch. 7 - If a muscle cell of a typical organism has 32...Ch. 7 - The genotype XXY corresponds to: a. Klinefelter...Ch. 7 - Abnormalities in the number of X chromosomes tend...
Ch. 7 - Aneuploidies are deleterious for the individual...Ch. 7 - Explain the advantage that populations of sexually...Ch. 7 - Describe the two events that are common to all...Ch. 7 - Explain how the random alignment of homologous...Ch. 7 - In what ways is meiosis II similar to and...Ch. 7 - Individuals with trisomy 21 are more likely to...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which event leads to a diploid cell in a life cycle? a. meiosis b. fertilization c. alternation of generations d. mutationarrow_forwardWhich statement best describes the genetic content of the two daughter cells in prophase II of meiosis? A. Haploid with one copy of each gene B. Haploid with two copies of each gene C. Diploid with two copies of each gene D. Diploid with four copies of each gene E. tetraploid with four copies of each genearrow_forwardWhen a germ cell undergoes meiosis, which event would MOST likely result in four aneuploid daughter cells? A. misalignment of the chromosomes during metaphase I B. misalignment of the chromosomes during anaphase I C. misalignment of the chromosomes during metaphase II D. misalignment of the chromosomes during anaphase IIarrow_forward
- As a cell undergoes meiosis What happens during crossover? A. Sister chromatids and non sister chromatids physically swap places within the tetrad resulting in the mixture of entire chromatids B. Nonsister chromatids exchange parts of themselves resulting in mixing of genetic information between those chromatids C. Homologous chromosomes lineup along the equatorial play randomly mixing the maternal and paternal chromosomes along the way D.arrow_forwardWhich type of life cycle has both a haploid and diploid multicellular stage?a. an asexual life cycleb. diploid-dominantc. haploid-dominantd. alternation of generationsarrow_forwardWhat is the unit of transmission during Meiosis? A. chromosomes B. chromatids C. genes D. allelesarrow_forward
- During which stage of meiosis does crossing over occur? A. Prophase I B. Prophase II C. Metaphase I D. Anaphase IIarrow_forwardWhat cellular process is responsible for genetic recombination? a. The independent alignment of homologous pairs during meiosis I b. Separation of the homologues in meiosis I c. Separation of the chromatids during meiosis II d. Crossing over between homologuesarrow_forwardA diploid species has 2N=6 total chromosomes. How many chromatids would be present in a somatic cell at Anaphase I of Meiosis? A. 24 B. 3 C. 6 D. 12arrow_forward
- When does DNA replication occur during meiosis? a. during telophase b. during prophase I c. during anaphase and telophase d. during interphase before meiosis I beginsarrow_forwardIf meiosis produce haploid cells, how is the diploid numberrestored for those organisms that spend most of their life cycle in the diploid state? a. DNA replication b. reverse transcription c. synapsis d. fertilizationarrow_forwardCells that result from meiosis are: a. Diploid b. Haploid c. Zygotic d. Triploidarrow_forward
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