DNA, Genes & Genetics MCQs with Answers

In living things, Heredity characters are controlled by _?

• A.Genes
• B.Chromosomes
• C.Proteins
• D.Enzymes

The transfer of characteristics between parents and offspring is called?

• A.Heredity
• B.Inheritance
• C.Variation
• D.Evolution

Past Paper MCQ

The first cloned animal was ?

• A.Dog
• B.Cat
• C.Sheep
• D.Cow

Cloning is production of genetically identical copies of organisms/cells by _?

• A.Sexual reproduction
• B.Asexual reproduction
• C.Cross-fertilization
• D.Genetic mutation

Which of the following is used to determine linkage between two gene pairs?

• A.Monohybrid cross
• B.Dihybrid cross
• C.Test cross
• D.Back cross

What is the structure that appears in a cell nucleus during cell division and is responsible for the transmission of hereditary characteristics?

• A.Centrosome
• B.Ribosome
• C.Lysosome
• D.Chromosome

What is the primary outcome of crossing over during prophase of meiosis I?

• A.Homologous chromosomes exchange different pairs leading to recombinant chromatids and increased genetic variation
• B.Sister chromatids separate and move to opposite poles of the cell
• C.Homologous chromosomes align at the equatorial plate independently
• D.The nuclear membrane dissolves and spindle fibers attach to centromeres

The complete graph of human genome was studied by ?

• A.International HapMap Project
• B.Human Proteome Project (HPP)
• C.Human Genome Project (HGP)
• D.ENCODE Project

If inversion does not include the centromere, it is known as?

• A.Pericentric inversion
• B.Paracentric inversion
• C.Terminal inversion
• D.Translocation inversion

The Watson-Crick Model suggested that DNA replication is _?

• A.Conservative
• B.Semi-Conservative
• C.Dispersive
• D.Random