Chromosomes

How many chromosomes do humans have?

• 23

• 48

• 46

• 300 billion

Chromosomes are made up of

• DNA and Protein

• protein

• nuclei

• pure DNA

How many copies of each gene do humans have?

• 1

• 2

• 23

• 46

How is the set of chromosomes from Mom different from the set of chromosames I have from dad?

• they are not different, they are identical

• they have the same genes in the same order

• they have the exact same DNA sequence

• They can have different versions of the same genes.

Where are genes located?

• on chromosomes

• on nuclear protein

• in the cytoplasm

• on teh telemeres

All the genetic information in an individual cell is called a

• gene

• chromatin

• genome

• nucleotides

A loose combination of DNA and protein located in the nucleus

• genes

• chromosomes

• Nuceotide

• chromatin

One half of a duplicated chromosome

• chromatid

• chromosome

• chromatin

• centromere

Proteins that aid in the coilng and organization of DNA

• histones

• chromatin

• enzymes

• Nucleotides

A long continuous thread of DNA that consists of numerous genes and regulatory information

• chromosome

• histone

• gene