Chromosome Quiz

How many pairs of homologous chromosomes do humans have?

• 23

• 46

• 2

• 44

How many chromosomes do human cells have?

• 46

• 23

• 2

• 44

When DNA is loosely coiled it is called ____________.

• chromatin

• karyotype

• chromosome

• centromere

One half of a chromosome is called a ______________.

• chromatid

• chromatin

• autosome

• sex chromosome

The structure that holds two chromosomes together until they separate for cell division is the

• chromatid
• chromatin
• centromere
• cytoplasm

Body cells are also known as

• prokaryotic cells

• somatic cells

• gametes

• sperm or egg

An organism's reproductive cells, sperm and egg cells, are called _____.

• bacteria

• prokaryotes

• gametes

• pathogens

A _______ is a segment of DNA that controls our traits.

• gene

• gamete

• chromosome

• chromatid

The 2 exact copies of DNA in a duplicated chromosome are called ________.

• chromatids

• genes

• mutations

• pathogens

Chromosomes that are organized in pairs, are the same size, and have the same genes are called _______ chromosomes.

• homeostasis

• homologous

• matching

• sister