Genetics Quiz

What is Genetics?

• The study of genes and their functions

• The study of heredity (inheritance) and how traits are passed from parents to offspring

• The study of genetic diseases

• The study of genetic mutations

Who is known as the Father of Genetics?

• Charles Darwin

• Gregor Mendel

• James Watson

• Francis Crick

What are genes?

• A type of chromosome

• A segment of DNA that codes for a trait

• The entire DNA in a cell

• Proteins that determine traits

What is DNA?

• A single-stranded molecule

• A type of protein

• A double helix molecule

• A cellular organism

What is a chromosome?

• A cell division process

• A type of gene

• A protein structure

• Condensed DNA

How many chromosomes do humans have?

• 23

• 46

• 92

• 64

What is an allele?

• A type of chromosome

• A form or variation of a gene

• A genetic disorder

• A physical trait

What does the genotype of an organism represent?

• The physical appearance of the organism

• The genetic make-up of the organism

• The dominant genes only

• The environmental factors affecting the organism

What is a phenotype?

• The genetic make-up of an organism

• The environmental influence on an organism

• The physical appearance of an organism's trait

• The recessive genes in an organism

How do dominant genes behave in comparison to recessive genes?

• Dominant genes are always hidden by recessive genes

• Dominant genes mask recessive genes and always express themselves

• Recessive genes mask dominant genes

• Dominant genes have no interaction with recessive genes