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 4RQ
Which event leads to a diploid cell in a life cycle?
a. meiosis
b. fertilization
c. alternation of generations
d. mutation
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If 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. fertilization
What is the unit of transmission during Meiosis?
A. chromosomes
B. chromatids
C. genes
D. alleles
Which 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
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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- Dogs have a diploid chromosome number of 78. How many chromosomes do their gametes have? a. 39 c. 156 b. 78 d. 234arrow_forwardWhat makes sexually reproduced offspring genetically different from their parents? a. Genetic recombination during mitosis b. Genetic recombination during meiosis c. Sexual reproduction does not produce genetically different offspring d. Crossing over during mitosisarrow_forwardGenetic recombination occurs by which process? a. independent assortment b. crossing over c. chromosome segregation d. sister chromatidsarrow_forward
- Which event leads to a diploid cell in a life cycle?a. meiosisb. fertilizationc. alternation of generationsd. mutationarrow_forwardThe process forming the neural tube and plate via the intercalation of cells along the medial-lateral axis and extension along the anterior-posterior axis occurs is called? a. neurulation b. embryogenesis c. convergent extension d. morphogenesisarrow_forwardSuppose an organism's liver cells have 10 chromosomes. How many chromosomes will its sperm cells have? A. 1 B. 20 C. 5 D. 10arrow_forward
- This structure is the site of fertilization? a.E b.C c.A dD e.Barrow_forwardWhat is the phenotype of the gnom mutant? A. Loss of cell fate B. Lack of cell-cell communication C. loss of embryo polarity D. Failure of cell differentiationarrow_forwardCells begin to change their shape and function as the embryo develops in the uterus; what is the name of the process that is used to describe the process wherein "generic (stem)" cells begin to alter their shape and function? 49. A. Cell mitosis B. Cell differentiation C. Cell division D. Cell augmentationarrow_forward
- The gametes in the image below could have formed from which parent? A. Male B. Female C. Male or female D. Neither male nor femalearrow_forwardWhat defines a diploid cell? a.A cell with three sets of chromosomes b.A cell with one set of chromosomes c.A cell with four sets of chromosomes d.A cell with two sets of chromosomesarrow_forwardWhat defines a diploid cell? A. A cell with two sets of chromosomes B. A cell with four sets of chromosomes C. A cell with three sets of chromosomes D. A cell with one set of chromosomesarrow_forward
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