Genes exist in pairs in individuals; during the production of gametes, the pairs are separated so that a gamete has only one of each kind. This is known as which of the following? Group of answer choices A-mitosis B-the principle of segregation C-nondisjunction D-recombination E-principle of independent assortment

Genes exist in pairs in individuals; during the production of gametes, the pairs are separated so that a gamete has only one of each kind. This is known as which of the following? Group of answer choices A-mitosis B-the principle of segregation C-nondisjunction D-recombination E-principle of independent assortment

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter2: Cells And Cell Division

Section: Chapter Questions

Problem 21QP: Which of the following statements is not true in comparing mitosis and meiosis? a. Twice the number...

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Which of the following statements about independent assortment and segregation is correct? The law of independent assortment is accounted for by observations of prophase I. The law of segregation requires describing two or more genes relative to one another. The law of segregation is accounted for by anaphase of mitosis. The law of independent assortment requires describing two or more genes relative to one another.
What is the name of DNA-strand exchange mechanism that explains recombination events during meiosis? Tri junction Holiday Junction Radding model O None of the above
Which of the following statements is not true in comparing mitosis and meiosis? a. Twice the number of cells are produced in meiosis as in mitosis. b. Meiosis is involved in the production of gametes, unlike mitosis. c. Crossing over occurs in meiosis I but not in meiosis II or mitosis. d. Meiosis and mitosis both produce cells that are genetically identical. e. In both mitosis and meiosis, the parental cell is diploid.
Meiosis increases genetic diversity by which of the following? Choose all that apply. Crossing over Aligning at the midline Dividing into two cells Independent assortment
Arrange the events in chronological order for the physical process of meiotic recombination. Prophase I of meiosis begins. Recombination is complete. Homologous chromosomes pair together. Enzymes break both strands of DNA in one chromosome. The 3' overhang strand of DNA invades the double helix of the homologous chromosome. Enzymes resolve the Holliday junction. The duplexed strand of DNA serves as a primer for synthesis of new DNA. Enzymes degrade the 5' strands of DNA.
Which of the following correctly describes a homologous pair of chromosomes in prophase of meiosis I? a- Two replicated chromosomes, each of which is one double-stranded DNA molecule b- Four replicated chromosomes, each of which is one double-stranded DNA molecule c- Two replicated chromosomes, each of which is two double-stranded DNA molecules d- Four replicated chromosomes, each of which is two double-stranded DNA molecules
During which of the following steps does is genetic diversity produced? Mark all that apply. During prophase of mitosis During prophase I of meiosis During prophase II of meiosis During anaphase I of meiosis During fertilization
What process does the following picture represent? XX-88-XX O segregation mitosis O random assortment crossing over/recombination K
A diploid somatic ("body") cell has 2n=20 chromosomes. At the end of mitosis, each daughter cell would have. meiosis I, each daughter cell would have O A. 2n =20, 1n =10, 1n =10 chromosomes. At the end of chromosomes. At the end of meiosis II, each daughter cell would have chromosomes. O B. 2n =20, 2n =20, 1n =10 O C. In =10, 1 n=10, 1n =10 O D. 2n =20, 2n =10, 1n =10
The amount of DNA per cell of a plant species is measured in cells found a different stages of meiosis, and the following amounts are obtained: 10pg, 20 pg, 40 pg Which amount listed above would represent a cell in Prophase of Mitosis? Group of answer choices 10 pg 20 pg None of these are correct. 40 pg
Imagine this cell will produce eggs (but the chromosomes have not replicated yet). At the end of the stages of meiosis: which genotypes are possible at the C and D genes only, assuming that recombination from crossover is possible, in total? (Click all that are true). O Cc O Dd D CD Cd O cD O cd ab AB Ab O aB stv DII DD F12 F11 F10 F9 F8 F6 F7 & delete + ||
Which of the following processes leads to aneuploidy, the condition of having too many or too few copies of a particular chromosome? Select all that apply. Nondisjunction of chromosomes during mitosis Nondisjunction of chromosomes during meiosis Proper separation of chromosomes during mitosis Proper separation of chromosomes during meiosis