Genetic variation in a population refers to which of the following? Group of answer choices a)...
Genetic variation in a population refers to which of the following?
Group of answer choices
a) Multiple individuals breeding together
b) Multiple alleles within a genepool
c) Multiple phenotypes with the same genotype
d) Multiple genes within a genome
e) Multiple offspring with advantageous mutations
Homework Answers
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Correct answer : B.multiple alleles within a gene pool
Explanation- genetic variation is due to differe to alleles present in a population for the same type of gene. For example, eye colour can be brown black green blue light brown hazze etc these are different generic variation and this is beacuse of different alleles for the eye color gene.
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Genetic variation in a population refers to which of the
following?
Group of answer choices
a)...
What is meant by the term heritability? 1. Heritability refers to the degree to which observed...
What is meant by the term heritability? 1. Heritability refers to the degree to which observed phenotypic variation for a given trait is inherited. 2. Heritability is the process of choosing specific individuals with preferred phenotypes from an initially heterogeneous population for future breeding purposes. 3. Heritability refers to a quantitative range generated at fertilization within which a particular individual can fall. 4. Heritability is a continuous variation across a range of phenotypes in generations. What functional information about a...
Which of the following is a difference between genetic maternal effects and cytoplasmic inheritance? Group of...
Which of the following is a difference between genetic maternal effects and cytoplasmic inheritance? Group of answer choices a Alleles affected by genetic maternal effect are only expressed in one sex of the offspring, but alleles inherited through cytoplasmic inheritance are expressed in both offspring sexes b Alleles inherited through cytoplasmic inheritance will only be inherited through one parent, but alleles affected by genetic maternal effect can be passed through either parent c Alleles affected by genetic maternal effect will...
A population with polymorphism but no heterozygous individuals Group of answer choices A. Has heterozygosity =...
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Answer Choices: A) A, B B) F, G C) C, D, F, G D) F Required...
Answer Choices:
A) A, B
B) F, G
C) C, D, F, G
D) F
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Answer Choices: A) No B) More information is needed to determine eye color C) Yes !...
Answer Choices:
A) No
B) More information is needed to determine eye color
C) Yes
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A-G). In each strain, the white eye trait is due to an autosomal recessive allele. It is possible all seven strains have mutations in the same gene. Alternatively, they may have mutations in different genes. To determine how many genes are involved in eye...
Which of the following statements does not play a direct role in natural selection? Read all...
Which of the following statements does not play a direct role in natural selection? Read all choices before answering the question. a) Artificial selection. b) Individuals within the population, who have the greatest reproductive fitness, are those who produce the greatest number of offspring, who survive to reproduce the subsequent F2 ("grandkids") generation. c) A species will produce more offspring than environmental resources can support. Consequently, not all individuals survive and there is a competition for limited resources. d) Competition...
13. Creighton and McClintock worked with homologous chromosomes physically exchange genetic information during cros...
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Natural selection can move a population beyond its initial range of variation because a. sudden increases...
Natural selection can move a population beyond its initial range of variation because a. sudden increases in mutation rates are often induced by selection. b. under genetic drift there is less variation and under selection there is more. c. selection can expose hidden variation. d. selection usually increases the randomness of mating, thus increasing variation. Which of the following is true of continuously varying characters? a. They allow for blending of the effects of two genes, the blended version passed...
Crossing over refers to the exchange of genetic material between two homologous chromosomes. Which of the...
Crossing over refers to the exchange of genetic material between two homologous chromosomes. Which of the following statements about this event is correct? a. Crossing over is more likely to occur between two genes that are widely separated on the chromosomes. b. Crossing over is more likely to occur with recessive alleles than with dominant ones. c. Crossing over is more likely to occur between two genes that occur next to each other on a chromosome. d. Both the first...
Answer Choices: A) Only one of the strains has a mutation in an eye color gene....
Answer Choices:
A) Only one of the strains has a mutation in an eye color
gene.
b) Strains C and D have mutations in different genes.
C) Strains C and D have mutations in the same gene.
D) More information is needed to infer the location of
mutations.
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A–G). In each strain, the white eye trait is due to...
Answer Choices:
A) A, B
B) F, G
C) C, D, F, G
D) F
Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A-G). In each strain, the white eye trait is due to an autosomal recessive allele. It is possible all seven strains have mutations in the same gene. Alternatively, they may have mutations in different genes. To determine how many genes are involved in eye color...
Answer Choices:
A) No
B) More information is needed to determine eye color
C) Yes
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A-G). In each strain, the white eye trait is due to an autosomal recessive allele. It is possible all seven strains have mutations in the same gene. Alternatively, they may have mutations in different genes. To determine how many genes are involved in eye...
Which of the following statements does not play a direct role in natural selection? Read all choices before answering the question. a) Artificial selection. b) Individuals within the population, who have the greatest reproductive fitness, are those who produce the greatest number of offspring, who survive to reproduce the subsequent F2 ("grandkids") generation. c) A species will produce more offspring than environmental resources can support. Consequently, not all individuals survive and there is a competition for limited resources. d) Competition...
13. Creighton and McClintock worked with homologous chromosomes physically exchange genetic information during crossing over and their model system to show that A) Peas B. Corn 14. While mapping two genes in Drosophila you observe 40 recombinants among 200 total A) 30 map units 15. Another name for a chromosome is C. Fruit flies D. Tobacco offspring. What is the distance between these genes? B. 20 map units C200 map units D. 6.67 map units , since it contains genes...
Crossing over refers to the exchange of genetic material between two homologous chromosomes. Which of the following statements about this event is correct? a. Crossing over is more likely to occur between two genes that are widely separated on the chromosomes. b. Crossing over is more likely to occur with recessive alleles than with dominant ones. c. Crossing over is more likely to occur between two genes that occur next to each other on a chromosome. d. Both the first...
Answer Choices:
A) Only one of the strains has a mutation in an eye color
gene.
b) Strains C and D have mutations in different genes.
C) Strains C and D have mutations in the same gene.
D) More information is needed to infer the location of
mutations.
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A–G). In each strain, the white eye trait is due to...
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