Principles of Mendelian Inheritance Quiz

Test your understanding of Mendelian inheritance with these genetics questions on mode of inheritance, phenotypic ratios, and more.

Practice Learn Test

What is the mode of inheritance for a trait that is determined by more than one gene?

Autosomal dominant

Autosomal recessive

Multifactorial

X-linked

1 answered

Which of the following statements about Mendel's laws is NOT true?

The law of dominance states that one allele can mask the effect of another.

The law of segregation states that alleles separate independently during gamete formation.

The law of independent assortment states that alleles for different traits segregate independently.

The law of dominance states that alleles for different traits segregate independently.

3 answered

If a pea plant with round seeds (RR) is crossed with a pea plant with wrinkled seeds (rr), what is the genotype of the F1 generation?

None of the above

2 answered

In a monohybrid cross, if one parent has the genotype Aa and the other parent has the genotype aa, what is the probability of the offspring having the genotype aa?

25%

50%

100%

2 answered

What is the phenotype of an organism with the genotype AaBb?

Homozygous dominant

Heterozygous

Homozygous recessive

Dihybrid

1 answered

If a pea plant that is heterozygous for flower color is crossed with a homozygous recessive pea plant, what is the expected phenotypic ratio of their offspring?

3:1

1:1

1:2:1

1:3:1

1 answered

In a dihybrid cross, what is the expected phenotypic ratio if the two genes are on different chromosomes and show independent assortment?

9:3:3:1

9:7

1:1:1:1

3:1

1 answered

In a cross between two heterozygous individuals for a single gene, what is the expected phenotypic ratio?

1:1

3:1

9:3:3:1

1:2:1

1 answered

In humans, what is the sex of a person with genotype XXY?

Male

Female

Intersex

It depends on other genes

1 answered

#10

In a monohybrid cross between two heterozygous individuals, what is the expected phenotypic ratio?

1:1

3:1

9:3:3:1

1:2:1

1 answered

#11

In humans, blood type is determined by a gene with three alleles: A, B, and O. If a person with blood type A (genotype AO) has a child with a person with blood type B (genotype BO), what is the probability that their child will have blood type O?

25%

50%

100%

1 answered

#12

A man with blood type AB (genotype IAIB) has a child with a woman with blood type O (genotype ii). What is the probability that their child will have blood type A?

25%

50%

100%

1 answered

#13

In a dihybrid cross, if two genes are on the same chromosome and show complete linkage, what is the expected phenotypic ratio?

9:3:3:1

9:7

1:1:1:1

3:1

#14

A woman with blood type O (genotype ii) has a child with a man with blood type AB (genotype IAIB). What is the probability that their child will have blood type B?

25%

50%

100%

1 answered

#15

In a dihybrid cross, if two genes are on the same chromosome but show incomplete linkage, what is the expected phenotypic ratio?

9:3:3:1

9:7

1:1:1:1

3:1

Principles of Mendelian Inheritance Quiz

What is the mode of inheritance for a trait that is determined by more than one gene?

Which of the following statements about Mendel's laws is NOT true?

If a pea plant with round seeds (RR) is crossed with a pea plant with wrinkled seeds (rr), what is the genotype of the F1 generation?

In a monohybrid cross, if one parent has the genotype Aa and the other parent has the genotype aa, what is the probability of the offspring having the genotype aa?

What is the phenotype of an organism with the genotype AaBb?

If a pea plant that is heterozygous for flower color is crossed with a homozygous recessive pea plant, what is the expected phenotypic ratio of their offspring?

In a dihybrid cross, what is the expected phenotypic ratio if the two genes are on different chromosomes and show independent assortment?

In a cross between two heterozygous individuals for a single gene, what is the expected phenotypic ratio?

In humans, what is the sex of a person with genotype XXY?

In a monohybrid cross between two heterozygous individuals, what is the expected phenotypic ratio?

In humans, blood type is determined by a gene with three alleles: A, B, and O. If a person with blood type A (genotype AO) has a child with a person with blood type B (genotype BO), what is the probability that their child will have blood type O?

A man with blood type AB (genotype IAIB) has a child with a woman with blood type O (genotype ii). What is the probability that their child will have blood type A?

In a dihybrid cross, if two genes are on the same chromosome and show complete linkage, what is the expected phenotypic ratio?

A woman with blood type O (genotype ii) has a child with a man with blood type AB (genotype IAIB). What is the probability that their child will have blood type B?

In a dihybrid cross, if two genes are on the same chromosome but show incomplete linkage, what is the expected phenotypic ratio?

Quiz Questions with Answers

Test Your Knowledge

Similar Quizzes

Popular Quizzes in Mendelian Genetics

Popular Quizzes in Genetics

Other Quizzes to Explore