Genetics Intro Quiz

How many pairs of chromosomes are found in human body cells?

• 23

• 46

• 64

• thousands

What do we inherit from our parents?

• cells

• our destiny

• personality

• a set of chromosomes

When a gene has more influence or 'power' over another gene, it is

• dominant

• recessive

• homologous

• heterogenous

One rule of genetics is that individuals carry two genes for a trait, but only pass down one.

• true

• false

Another rule of genetics is that one gene is dominant over the other gene.

• true

• false

The picture is an example of a

• pedigree chart

• punnett square

• probability square

• black and white rabbit family

Allele

• The smallest living things; the basic building block of an organism

• The basic building block of a protein

• A version of a gene

• A molecule made of amino acids that has a specific job in the body

Gene

• The "command center" of a cell; where the DNA is stored

• A tightly coiled-up package of DNA; found in the nucleus

• A section of DNA with the instructions/recipe to make a specific protein

• A building block of a protein; cells put these together to build proteins

DNA

• The "command center" of a cell; where the chromosomes are found

• The molecule that contains all of the instructions to build an organism; found in the nucleus

• A molecule made of amino acids that has a specific job in the body

• A building block of a protein; cells put these together to build proteins

When the alleles of a particular gene are different

• recessive

• homozygous

• heterozygous

• heredity