Genetics and Biotechnology Quiz

What is the basic unit of heredity?

• DNA

• Gene

• Chromosome

• Protein

What structure carries genetic information in the nucleus?

• Cell membrane

• Chromosome

• Ribosome

• Mitochondria

Which molecules store genetic information?

• RNA

• DNA

• Protein

• Lipid

Who is known as the father of genetics?

• Charles Darwin

• Gregor Mendel

• James Watson

• Francis Crick

What does a dominant allele do?

• It masks the effect of a recessive allele.

• It prevents cell division.

• It creates new genes.

• It stops DNA replication.

What is the shape of a DNA molecule?

• Linear chain

• Double helix

• Spiral staircase

• Circular ring

What is biotechnology?

• The study of ecosystems

• The use of living organisms or their components for human purposes

• The study of evolution

• The classification of plants

What is genetic engineering?

• Crossing plants to create hybrids

• Manipulating an organism’s DNA to introduce new traits

• Studying fossils

• Observing cell division under a microscope

What is a genome?

• A specific gene that determines height

• The complete set of an organism’s DNA

• A single strand of RNA

• A protein molecule

Which type of organism is commonly used in genetic modification?

• Mammals

• Bacteria

• Plants

• Fish