How does the process of crossing-over increase genetic diversity? Select one: a. Each gamete receives different amounts of histones b. Each gamete receives different numbers of genes c. Each gamete receives different numbers of chromosomes d. Each chromosome the gamete receives can be a recombination of the two homologous parental chromosomes

How does the process of crossing-over increase genetic diversity? Select one: a. Each gamete receives different amounts of histones b. Each gamete receives different numbers of genes c. Each gamete receives different numbers of chromosomes d. Each chromosome the gamete receives can be a recombination of the two homologous parental chromosomes

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 1ACQ: Figure 8.9 In pea plants, round peas (R) are dominant to wrinkled peas (r). You do a test cross...

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What creates polyploid plants in the wild? A) Complete meiotic nondisjunction B) Complete mitotic nondisjunction in a stem of the plant C) Crossovers involving a chromosome with a large inversion D) colchicine
Pea plants have seven different types of chromosomes. A chromosome with a centromere at the very end is called a. submetacentric. b. acentric. c. acrocentric. d. metacentric. e. telocentric.
in the experiment of following chromosomal dna mvement througgh meiosis, why. do you use non-sister chromatids to demobstrate crossing over? what combinatiobns of alleles could result from a crossover between BD and bd chromosomes? Identify two ways that meiosis contributes to genetic recombination. Why is it necessary to reduce the number of chromosomes in gametes, but not in other cell?
Which statement about homologous chromosomes is FALSE? Select one: a. They contain the same genes in the same places along the length of the chromosome b. One member of the homologous pair came from your mother, the other from your father c. For a particular gene, one member of the pair may have one allele, while the other has a different allele d. They are joined together at the centromere as the two halves of the typical X-shaped chromosome
What is crossing over? The final stage of meiosis When two sister chromatids exchange genetic information When two homologous chromosomes transfer genetic information in prophase I When two homologous chromosomes choose the Dark Side
Create a chromosome map each set of three genes from the given information. a) The crossover frequency between gene A and gene B is 23%, the crossover frequency between gene B and gene C is 11%, and between gene A and C is 12%
If a muscle cell of a typical organism has 32 chromosomes, how many chromosomes will be in a gamete of that same organism? a.8 b. 16 c. 32 d. 64
Alternative forms of the same gene are called _________ . a. gametes c. alleles b. homologous d. sister chromatids
More Crosses with Pea Plants: The Principle of Independent Assortment Consider the following cross in pea plants, in which smooth pea shape is dominant to wrinkled, and yellow pea color is dominant to green. A plant with smooth yellow peas is crossed to a plant with wrinkled green peas. The offspring produced peas that were all smooth and yellow. What are the genotypes of the parents? What are the genotypes of the offspring?
Design an Experiment Imagine that you are a breeder of Labrador retriever dogs. Labs can be black, chocolate brown, or yellow. Suppose that a yellow Lab is donated to you and you need to know its genotype. You have a range of dogs with known genotypes. What cross would you make to determine the genotype of the donated dog? Explain how the resulting puppies show you the Labs genotype.
draw the diagram of Deletion loops form in the chromosomes ofdeletion heterozygotes.
A crossover has occurred in the bivalent shown in figure.What is the outcome of this single crossover event? If a secondcrossover occurs somewhere between A and C, explain which twochromatids it would involve and where it would occur (i.e., betweenwhich two genes) to produce the chromosomes shown here:A. ABC, AbC, aBc, and abcB. Abc, Abc, aBC, and aBCC. ABc, Abc, aBC, and abCD. ABC, ABC, abc, and abc