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Name: Which of the following is a change in the structure of a gene resultin
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Description: Which of the following is a change in the structure of a gene resulting in a variant that can be transferred to subsequent generations? mutation gene flow trisomy genetic drift

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Biology

Which of the following is a change in the structure of a gene resulting in a variant that can be transferred to subsequent generations? mutation gene flow trisomy genetic drift

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter1: Invitation To Biology

Section: Chapter Questions

Problem 8SQ: DNA _______. a. guides form b. is the basis of traits c. is transmitted from and function parents to...

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Over the last several decades, the scientific community has gathered a large amount of information regarding genetics and genetic variation. What is a main source that leads to increased genetic variation? Top of Form Selective breeding Chromosomal mutations Recombination Genetic drift
Chromosome number: Can impact phenotype Is not related to genome size Varies depending on the species All of the above None of the above
Which of the following best describes genome wide association study? genomes of diseased and healthy individuals are compared to identify the mutations that cause disease molecular markers are identified that are unique to diseased genomes the frequency of molecular markers alleles are compared between diseased and healthy individuals to identify alleles at higher frequency in diseased individuals tumor genomes are sequenced to identify genes with unusual expression patterns individuals from diverse human populations are sequenced to identify how they are related to each other
Which of the following best describes a locus? It is a recessive gene It is an unmatched chromosome It is the location of an allele on a chromosome It is a dominant gene
A beneficial dominant mutation is expected to take fewer generations to reach high frequency than a beneficial recessive mutation at the same locus in the same population, assuming neither mutation is lost to genetic drift. True False Which of the following statements is true of recombination? Recombination reshuffles alleles between maternal and paternal chromosomes, but not does produce new alleles. Recombination can produce new alleles by crossing over between maternal and paternal chromosomes. Recombination is more likely between loci that are near each other on a chromosome. Recombination occurring between loci on non-homologous chromosomes results in linkage equilibrium. Recombination occurring between loci on non-homologous chromosomes results in linkage disequilibrium.
Variations in genomic sequence across multiple positions (such as different substitutions) that occur together in an individual are grouped as: Group of answer choices CNVs SNPs Genetic Maps Haplotypes
Which of the following is an example of a balanced mutation? Group of answer choices inversions deletions aneuploidy tandem duplications
Hereditary genetics Population genetics Molecular genetics Answer Bank expressing exogenous transgenes to understand function calculating genotype frequencies to understand phenotype changes in a population researching how genetic drift impacted many species over the past thousand years observing phenotypes in offspring to understand gene inheritance studying DNA-protein interactions to understand gene regulation tracing pedigrees to determine patterns of gene transmission within a family
The evolution of the cultivated potato Solanum tuberosum (2n = 48 chromosomes) from the native Andes mountain potato Solanum stenotomum (2n = 24 chromosomes) is most likely: the result of a single chromosomal duplication the result of a complete genome deletion the result of a complete genome duplication the result of a single gene duplication the result of a single chromosomal deletion
For a mutation that does not have a fitness cost to the individuals who carry it, we call the mutation a -synonymous mutation -beneficial mutation -dominant mutation -homologous mutation -neutral mutation
> Question 2 Which of the following are factors that can influence mutation rates? Mark all that apply. the genetic code nucleotide repeats Ophenotype None of these influence mutation rates gene size
Which of the following is the best definition of a molecular marker? a gene that is likely to be associated with a specific disease a dark or light band that on a chromosome that is visible in a karyotype a DNA sequence that varies among individuals