BIOLOGY-CUSTOM LL
11th Edition
ISBN: 9781260950090
Author: Raven
Publisher: MCG
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Chapter 11, Problem 3S
Compare the processes of independent assortment and crossing over. Which process has the greatest influence on genetic diversity?
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How are the principles of segregation and independent assortment related, and how are they different?
Which statement about the relationship between genetic map and physical map is FALSE?
The correlation between Genetic map distance and Physical map distance is not absolute.
Roughly speaking, for two genes on the same chromosome, the bigger their genetic map distance is, the bigger the physical map distance is.
The genetic map is in a way a distorted picture of the physical map.
1 genetic map unit (1cM) always correlates with a certain distance on the physical chromosome.
Apply a chi square analysis to distinguish between linkage and independent assortment?
Chapter 11 Solutions
BIOLOGY-CUSTOM LL
Ch. 11 - In comparing somatic cells and gametes, somatic...Ch. 11 - What are homologous chromosomes? a. The two halves...Ch. 11 - Chiasmata form a. between homologous chromosomes....Ch. 11 - Crossing over involves each of the following with...Ch. 11 - During anaphase I a. sister chromatids separate...Ch. 11 - At metaphase I the kinetochores of sister...Ch. 11 - What occurs during anaphase of meiosis II? a. The...Ch. 11 - Which of the following does NOT contribute to...Ch. 11 - How does DNA replication differ between mitosis...Ch. 11 - Which of the following is NOT a distinct feature...
Ch. 11 - Which phase of meiosis I is most similar to the...Ch. 11 - Structurally, meiotic cohesins have different...Ch. 11 - Prob. 6ACh. 11 - Diagram the process of meiosis for an imaginary...Ch. 11 - Mules are the offspring of the mating of a horse...Ch. 11 - Compare the processes of independent assortment...Ch. 11 - Aneuploid gametes are cells that contain the wrong...
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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
- Discuss the principles of the chromosome theory of inheritance. Whichprinciples do you think were deduced via light microscopy, and whichwere deduced from crosses? What modern techniques could be used tosupport the chromosome theory of inheritance?arrow_forwardWhat is independent assortment? Does independent assortment occur during mitosis or during meiosis?arrow_forwardWhat are the laws of segregation and independent assortmentarrow_forward
- What is the principle of independent assortment? How is it related to the principle of segregation?arrow_forwardDescribe the significance of nonparentals with regard to the law ofindependent assortment. In other words, explain how the appearanceof nonparentals refutes the hypothesis of linked assortment.arrow_forward*If two genes are linked on a chromosome and over 50 map units apart, in theory you will not recover more than 50% recombinants, which is the same as independent assortment (genes on two different chromosomes). Using diagrams, show why this is so.arrow_forward
- In a particular plant, leaf color and leaf shape are controlled by two linked genes. Leaves of the wild-type plant are red. A recessive mutation in this gene causes white leaves. Wild-type leaves are pointed and a recessive mutation in this gene causes them to be smooth. The following cross was performed: Heterozygous red, pointed 43 white, smooth 42 red, pointed 8 white, pointed 7 red, smooth Homozygous white, smooth RESULTS: What is the recombination frequency between the gene for leaf color and the gene for leaf shape?arrow_forwardWhat is heterosis? Discuss whether it is caused by a single geneor several genes. Discuss the two major hypotheses proposedto explain heterosis. Which do you think is more likely to becorrect?arrow_forwardThe diagram below describes the relationships of genes, alleles, and loci of genetics and how a genotype manifests as a phenotype using the pea plant flower as an example. In this case, the genotype is heterozygous, meaning that the plant carries two different alleles of the gene. Think of a scenario where you have a pea plant that is homozygous recessive in flower color. Determine the phenotype of the flower color for this plant and describe how the phenotype is derived based on the information provided in the below diagram. Make sure to include the following terms, gene, allele, locus, enzyme, and gene expression, in your discussion.arrow_forward
- Given the pedigree below: Is the trait dominant or recessive? What are the most likely genotypes of individuals I-1 and I-2? What is the probability that individual II-2 is a carrier?arrow_forwardConsider three yellow, round peas, labeled A, B, and C. Each was grown into a plant and crossed to a plant grown from a green, wrinkled pea. Exactly 100 peas derived from each cross were sorted into phenotypic classes as follows: A: 51 yellow, round 49 green, round B: 100 yellow, round C: 24 yellow, round 26 yellow, wrinkled 25 green, round 25 green, wrinkled What are the genotypes of plants A, B, and C? (Use gene symbols of your own choosing; be sure to define each one.)arrow_forwardGenes 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 assortmentarrow_forward
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