Homework Answers
False
Inbreeding is a process in which offsprings are formed by the mating between the individual having the same genetic makeup. In human, inbreeding is a production of offspring by mating between close relatives or consanguinity (having the same ancestor). Incest also means mating among close relatives Eg Cousins.
In the case of inbreeding and Incest, genetic variation is decreased because of the increase in homozygosity in the genomes of their offspring. Genetic variation is seen more in the heterozygous population and not homozygous population. Hence the statement is false.
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Inbreeding (endogamy) and incest amplify gene pool variation; they generates more genetic variability. a. True b....
Genetic Variation Explain three cellular and /or molecular mechanisms that introduce variation into the gene pool...
Genetic Variation Explain three cellular and /or molecular mechanisms that introduce variation into the gene pool of a plant or animal population.
In the gene pool of a population with 132 individuals, a fixed allele for a particular...
In the gene pool of a population with 132 individuals, a fixed allele for a particular genetic locus has a frequency of Select one: O a. 1 O b. More information is needed to determine this. O c. 0.75 O d.o O e. 0.5 Which of the following does not have the ability to alter allele frequencies? Select one: O a. gene flow O b. inbreeding O c. genetic drift O d. natural selection O e. All of these have...
How is genetic variation increased during sexual reproduction? Choose ALL that apply. Select one or more:...
How is genetic variation increased during sexual reproduction? Choose ALL that apply. Select one or more: a. Crossing over occurs. b. The reproduction of cells through binary fission resulting in two different daughter cells. c. Independent assortment of homologous chromosomes during meiosis. d. Alleles are inherited from two parents instead of one. e. The pairing of sister chromatids. Which of the following images shows crossing over? Select one: Consider a gene with two alleles that show complete dominance. When two...
O c. Mutations are the ultimate source of genetic variation d. More individuals are born than...
O c. Mutations are the ultimate source of genetic variation d. More individuals are born than will survive. e. Individuals that possess the most favorable variations have the best chance of reproducing. en 44 If the bacterium Mycobacterium tuberculosis experiences a significant cost for maintaining a specific antibiotic-resistance gene, what would you expect to happen in environments that lack that antibiotic? answered Out of 2.00 question Select one: a. Bacteria with the resistance gene would try to make the cost...
1. Genetic drift is an important mechanism for maintaining genetic variation in populations. True False 2....
1. Genetic drift is an important mechanism for maintaining genetic variation in populations. True False 2. According to several studies (e.g., bacteriophage f1), most mutation are _______. A. lethal B. deleterious but not lethal C. approximately neutral D. beneficial 3. Most mutations occur in response to the adaptive needs of the organism. True False Can please answer all 3 questions ASAP. Thank you in advance!
Is genetic variation important in sexually reproducing species? a. Yes b No c. Non applicable to...
Is genetic variation important in sexually reproducing species? a. Yes b No c. Non applicable to this context Select one: O A.A O B.B o c.
What is responsible for the genetic variation observed among offspring from the same parents? Select one:...
What is responsible for the genetic variation observed among offspring from the same parents? Select one: a. Independent assortment b. Gene linkage c. Recessive alleles d. Incomplete dominance
1. Genetic variation _____. A. is created by the direct action of natural selection B. must...
1. Genetic variation _____. A. is created by the direct action of natural selection B. must be present in a population before natural selection can act upon the population C. arises in response to changes in the environment D. tends to be reduced by when diploid organisms produce gametes 2. What is a genetic correlation? A. When selection favoring alleles for one trait causes a correlated but suboptimal change in an allele for another trait. B. When two offspring inherit...
Select the option that contains three evolutionary forces a) natural selection, genetic drift, gene flow b)...
Select the option that contains three evolutionary forces a) natural selection, genetic drift, gene flow b) somatic cells, chromosomes, natural selection c) non-random mating, genomes, variation d) proteins, genetic drift, alleles e) natural selection, DDT resistance, environment
A smaller recombination frequency means (choose all that apply) Select one or more: a. Less genetic...
A smaller recombination frequency means (choose all that apply) Select one or more: a. Less genetic variation on that chromosome b. The genes on the chromosome do not assort independently c. The genes on the chromosome assort independently d. More genetic variation on that chromosome
In the gene pool of a population with 132 individuals, a fixed allele for a particular genetic locus has a frequency of Select one: O a. 1 O b. More information is needed to determine this. O c. 0.75 O d.o O e. 0.5 Which of the following does not have the ability to alter allele frequencies? Select one: O a. gene flow O b. inbreeding O c. genetic drift O d. natural selection O e. All of these have...
How is genetic variation increased during sexual reproduction? Choose ALL that apply. Select one or more: a. Crossing over occurs. b. The reproduction of cells through binary fission resulting in two different daughter cells. c. Independent assortment of homologous chromosomes during meiosis. d. Alleles are inherited from two parents instead of one. e. The pairing of sister chromatids. Which of the following images shows crossing over? Select one: Consider a gene with two alleles that show complete dominance. When two...
O c. Mutations are the ultimate source of genetic variation d. More individuals are born than will survive. e. Individuals that possess the most favorable variations have the best chance of reproducing. en 44 If the bacterium Mycobacterium tuberculosis experiences a significant cost for maintaining a specific antibiotic-resistance gene, what would you expect to happen in environments that lack that antibiotic? answered Out of 2.00 question Select one: a. Bacteria with the resistance gene would try to make the cost...
Is genetic variation important in sexually reproducing species? a. Yes b No c. Non applicable to this context Select one: O A.A O B.B o c.
A smaller recombination frequency means (choose all that apply) Select one or more: a. Less genetic variation on that chromosome b. The genes on the chromosome do not assort independently c. The genes on the chromosome assort independently d. More genetic variation on that chromosome
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