Basic Concepts in Genetics Quiz

Explore key genetic principles with questions on inheritance, chromosomes, and gene expression. Challenge yourself with this engaging genetics quiz!

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Which scientist is known as the 'Father of Genetics'?

Charles Darwin

Gregor Mendel

James Watson

Francis Crick

1 answered

What is the term for alternative forms of a gene?

Allele

Phenotype

Genotype

Homozygous

1 answered

What is the term for the study of how genes are passed from parents to offspring?

Genetics

Evolution

Ecology

Embryology

1 answered

Which of the following genetic disorders is caused by the presence of an extra chromosome 21?

Cystic fibrosis

Huntington's disease

Down syndrome

Sickle cell anemia

1 answered

What is the term for a change in the nucleotide sequence of DNA?

Mutation

Translation

Transcription

Replication

1 answered

Which of the following represents a sex-linked inheritance pattern?

Hemophilia

Marfan syndrome

Huntington's disease

Cystic fibrosis

1 answered

What is the term for the observable characteristics of an organism resulting from the interaction between its genotype and the environment?

Genotype

Phenotype

Allele

Homozygous

1 answered

Which of the following is an example of a homozygous genotype?

1 answered

What is the term for the physical appearance of an organism?

Genotype

Phenotype

Heterozygous

Dominant

1 answered

#10

What is the name of the process where RNA is synthesized from DNA?

Translation

Transcription

Replication

Reverse transcription

1 answered

#11

What is the name of the process where genetic information is exchanged between homologous chromosomes during prophase I of meiosis?

Crossing over

Independent assortment

Replication

Translocation

1 answered

#12

In humans, what is the sex determination system where females have two X chromosomes and males have one X and one Y chromosome?

XX-XY system

XX-XO system

ZZ-ZW system

Haploid-diploid system

1 answered

#13

Which of the following is NOT a type of chromosomal mutation?

Deletion

Insertion

Point mutation

Inversion

1 answered

#14

What is the name of the process where mRNA is decoded to produce a specific sequence of amino acids?

Transcription

Translation

Replication

Reverse transcription

1 answered

#15

What does the law of independent assortment state?

Genes located on the same chromosome are inherited together

Genes located on different chromosomes assort independently during gamete formation

The inheritance of one trait is not affected by the inheritance of another trait

Only one allele of each gene is passed on to the offspring

1 answered

#16

In a dihybrid cross involving two heterozygous parents (AaBb x AaBb), what is the phenotypic ratio of the offspring according to Mendel's law of independent assortment?

9:3:3:1

3:1

1:2:1

1:1:1:1

1 answered

#17

Which of the following represents a codominant inheritance pattern?

Incomplete dominance

Pleiotropy

Multiple alleles

ABO blood group system

1 answered

#18

Which of the following is an example of epistasis?

Inheritance of ABO blood types

Inheritance of sickle cell anemia

Inheritance of coat color in mice

Inheritance of baldness in humans

1 answered

#19

What is the term for the failure of homologous chromosomes or sister chromatids to separate properly during cell division?

Mutation

Crossing over

Nondisjunction

Translocation

1 answered

#20

In a monohybrid cross, if the dominant phenotype appears in the F1 generation but both the dominant and recessive phenotypes reappear in the F2 generation, what is the genotype of the parents?

Homozygous dominant

Heterozygous

Homozygous recessive

Pleiotropic

1 answered

#21

What is the term for a trait that is determined by multiple genes?

Monogenic trait

Polygenic trait

Recessive trait

Dominant trait

1 answered

Basic Concepts in Genetics Quiz

Which scientist is known as the 'Father of Genetics'?

What is the term for alternative forms of a gene?

What is the term for the study of how genes are passed from parents to offspring?

Which of the following genetic disorders is caused by the presence of an extra chromosome 21?

What is the term for a change in the nucleotide sequence of DNA?

Which of the following represents a sex-linked inheritance pattern?

What is the term for the observable characteristics of an organism resulting from the interaction between its genotype and the environment?

Which of the following is an example of a homozygous genotype?

What is the term for the physical appearance of an organism?

What is the name of the process where RNA is synthesized from DNA?

What is the name of the process where genetic information is exchanged between homologous chromosomes during prophase I of meiosis?

In humans, what is the sex determination system where females have two X chromosomes and males have one X and one Y chromosome?

Which of the following is NOT a type of chromosomal mutation?

What is the name of the process where mRNA is decoded to produce a specific sequence of amino acids?

What does the law of independent assortment state?

In a dihybrid cross involving two heterozygous parents (AaBb x AaBb), what is the phenotypic ratio of the offspring according to Mendel's law of independent assortment?

Which of the following represents a codominant inheritance pattern?

Which of the following is an example of epistasis?

What is the term for the failure of homologous chromosomes or sister chromatids to separate properly during cell division?

In a monohybrid cross, if the dominant phenotype appears in the F1 generation but both the dominant and recessive phenotypes reappear in the F2 generation, what is the genotype of the parents?

What is the term for a trait that is determined by multiple genes?

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