Genetics Vocabulary Practice

What is a chromosome?

• A collection of genes in a long, coiled, single strand of DNA.

• The entire human genome in an x shaped bundle

• A cells instructions to build a protein

This definition describes which of the following vocabulary terms?

All the DNA that makes up the complete genetic instruction manual for humans and other organisms.

• Gene

• Genome

• Chromosome

• DNA

Which of the following is NOT a nucleotide found in DNA?

• A

• T

• C

• G

• L

Which is the most complex?

• DNA

• Chromosomes

• Genes

• Genome

How does our DNA make us unique?

• Each person’s DNA is completely unique

• The order of our nucleotides create different traits

• It’s doesn’t, our chromosomes do

• The number of chromosomes we have is different for every person

About how much of our DNA is the same as other humans?

• 10-20%

• 40-50%

• 60-70%

• 90-100%

How many pairs of chromosomes do typical body cells contain?

• 23

• 46

• 16

• 32

What is the function of Proteins?

• They fight infection

• To create new DNA

• Produce skin cells

• Maintain and build all cells in an organism

Where is DNA located in cells?

• In the cell membrane

• In the cytoplasm

• In the nucleus

• In our saliva

What does the structure of our DNA look like?

• A rope

• A twisted ladder

• An X

• A circle