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      Home > Quizzes and Fun Tests > Biological Quizzes > Genetics Quiz I

 Genetics Quiz I

Welcome to the QuizMoz Genetics Quiz I. QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!

 Genetics Quiz I Facts
 Average Score for this quiz: 25.5%
 No of times this quiz has been taken: 65
 No of people passing this quiz: 4
 No of people failing this quiz: 61
 Maximum score for this quiz: 75%

Coverage : Genetics Quiz I tests your knowledge about Mendel's experiments dealing with the Theories of Segregation and Independent Assortment.

1. What type of crosses did Mendel use to test his theory of segregation?
a.Monoclonal
b.Monohybrid
c.Dihybrid
d.Multigenerational
 
2. What did it mean when Gregor Mendel’s results showed a dominant-to-recessive ratio of 3:1 in the F2 generation offspring?
a.The genotypes of F2 offspring exhibited the dominant phenotype 75% of the time
b.The genotypes of F2 offspring exhibited the dominant phenotype 25% of the time
c.The genotypes of F2 offspring exhibited the recessive phenotype 75% of the time
d.The genotypes of F2 offspring exhibited the recessive phenotype 25% of the time
 
3. What is Punnett-square method used for in genetics?
a.Showing all of the possible phenotypes from a genetic cross
b.Showing all of the possible genotypes from a genetic cross
c.Showing individual gametes of a cross
d.Predicting the probable outcome of a genetic cross
 
4. How did Mendel support his theories?
a.He performed testcrosses with F1 plants
b.He performed testcrosses crossing P1 and F1 plants
c.He performed probability analyses
d.He performed crosses in which he spliced plants together
 
5. Mendel tested the assortment of two pairs of genes into gametes using:
a.Observations of the phenotypes of F2 plants
b.Dihybrid crosses
c.Plants that were true-breeding for 2 traits
d.Observing the phenotypes of F1 plants
 
6. Mendel’s initial experiments with monohybrid crosses resulted in F2 observable phenotypes of 3:1.  What was the genotype ratio?
a.1:1:1
b.1:2:1
c.2:2
d.2:1
 
7. Mendel would have observed the 3:1 phenotype in his monohybrid cross experiments if he had replaced the homozygous recessive parent with a heterozygous one.
a.True
b.False
 
8. When Mendel did monohybrid crosses using parental strains (P1) that were homozygous for the recessive and dominant traits, and the resulting plants (F1) from the seeds self-fertilized:
a.All of the F2 plants from the seeds will be the same
b.25% of the F2 plants from the seeds will show the recessive phenotype
c.50% of the F2 plants from the seeds will show the dominant phenotype
d.75% of the F2 plants from the seeds will show the dominant phenotype
 
9. In order for the Theory of Independent Assortment to hold true for two different traits, the two traits must be on separate chromosomes.
a.True
b.False
 
10. What was the phenotype ratio of F2 plants from Mendel’s experiments with dihybrid crosses?
a.3:3:3:1
b.1:3:3:1
c.9:3:3:1
d.9:3:3:3
 
11. How many genotypes are possible in an independently-assorted dihybrid cross?
a.1
b.3
c.6
d.9
 
12. Why did Mendel need to do a second cross to get F2 plants in his monohybrid cross experiments?
a.Only one phenotype is observable in the F1 generation
b.Only one genotype is in the F1 generation
c.He couldn’t get enough plants to do probabilities with only one cross
d.The gametes aren’t separated in the first crossing
 
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