Mendelian Principles in Genetics Quiz

Test your knowledge with 15 questions on Mendelian principles, probability, inheritance patterns, and genetic terminology.

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Which of the following is NOT one of Mendel's principles of genetics?

Principle of Segregation

Principle of Independent Assortment

Principle of Dominance

Principle of Recombination

4 answered

What is the term for a gene that is located on the X or Y chromosome?

Autosomal gene

Sex-linked gene

Homozygous gene

Heterozygous gene

4 answered

In genetics, what term refers to the alternative form of a gene?

Phenotype

Genotype

Allele

Heterozygote

4 answered

Which of the following accurately describes Mendel's Law of Segregation?

Alleles of different genes segregate independently during gamete formation.

Each allele segregates into different gametes during gamete formation.

Genes located on the same chromosome segregate independently during gamete formation.

Only one allele is passed from each parent to offspring.

4 answered

In genetics, what term describes the process by which genes located on the same chromosome are inherited together?

Codominance

Crossing over

Linkage

Epistasis

4 answered

What is the probability of obtaining a homozygous recessive offspring from a cross between two heterozygous individuals?

25%

50%

75%

100%

4 answered

Which of the following crosses would NOT produce a 3:1 phenotypic ratio according to Mendel's principles?

TT × tt

Tt × Tt

TT × Tt

tt × tt

6 answered

What is the term for an allele that is expressed when present in either the homozygous or heterozygous condition?

Recessive allele

Dominant allele

Incomplete allele

Co-dominant allele

4 answered

Which of the following statements best describes Mendel's Law of Independent Assortment?

Genes located on the same chromosome assort independently during gamete formation.

Alleles of different genes segregate from each other during gamete formation.

Only one allele is passed from each parent to offspring.

Genes located on separate chromosomes assort independently during gamete formation.

4 answered

#10

In a cross involving a homozygous dominant individual and a homozygous recessive individual, what will be the genotype of the offspring?

All heterozygous

All homozygous dominant

All homozygous recessive

All heterozygous and homozygous dominant in equal proportions

1 answered

#11

In a dihybrid cross involving two heterozygous individuals (AaBb × AaBb), what phenotypic ratio would be expected according to Mendel's principles?

9:3:3:1

9:3:1

1:2:1

3:1

2 answered

#12

In a test cross, an individual with a dominant phenotype but unknown genotype is crossed with a homozygous recessive individual. What is the purpose of this cross?

To determine if the individual is homozygous dominant or heterozygous.

To determine the phenotype of the offspring.

To determine if the individual is homozygous recessive or heterozygous.

To determine the genotype of the offspring.

2 answered

#13

Which of the following is NOT a limitation of Mendel's principles?

Incomplete dominance

Codominance

Epistasis

Polygenic inheritance

2 answered

#14

Which of the following represents a case of polygenic inheritance?

ABO blood group system

Huntington's disease

Skin color in humans

Sickle cell anemia

2 answered

#15

Which of the following represents an example of epistasis?

ABO blood group system

Huntington's disease

Albinism in humans

Sickle cell anemia

2 answered

Mendelian Principles in Genetics Quiz

Which of the following is NOT one of Mendel's principles of genetics?

What is the term for a gene that is located on the X or Y chromosome?

In genetics, what term refers to the alternative form of a gene?

Which of the following accurately describes Mendel's Law of Segregation?

In genetics, what term describes the process by which genes located on the same chromosome are inherited together?

What is the probability of obtaining a homozygous recessive offspring from a cross between two heterozygous individuals?

Which of the following crosses would NOT produce a 3:1 phenotypic ratio according to Mendel's principles?

What is the term for an allele that is expressed when present in either the homozygous or heterozygous condition?

Which of the following statements best describes Mendel's Law of Independent Assortment?

In a cross involving a homozygous dominant individual and a homozygous recessive individual, what will be the genotype of the offspring?

In a dihybrid cross involving two heterozygous individuals (AaBb × AaBb), what phenotypic ratio would be expected according to Mendel's principles?

In a test cross, an individual with a dominant phenotype but unknown genotype is crossed with a homozygous recessive individual. What is the purpose of this cross?

Which of the following is NOT a limitation of Mendel's principles?

Which of the following represents a case of polygenic inheritance?

Which of the following represents an example of epistasis?

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