DNA 2022

Why is DNA important?

• it is very small and very complicated

• it's in everything

• It is the instructions for life

• because we eat it every day for energy

Where is DNA found inside cells?

• cell membrane

• vacuole

• chloroplast

• nucleus

How many chromosomes does a human body cell have, total?

• 48

• 46

• 23

• 47

What are genes?

• One strand of DNA

• Sections of DNA that code for proteins

• Sections of RNA

• The section of DNA that codes for hair color

You inherit your genes from your parents

• True

• False

An image of chromosomes found in your cells is called a(n)

• karyotype

• autosome

• homologous chromosomes

• centromere

The gender of an individual with XX sex chromosomes is __________ and the gender of someone with XY is _________.

• male, female

• female, male

• male, male

• female, female

Chromosomes that DON'T determine your gender are called ________________.

• homologous chromosomes.

• autosomes.

• sex chromosomes.

• karyotype.

DNA that is tightly packaged is called a

• Karyotype

• Chromosome

• Gene

• DNA

These are the building blocks for everything in your body

• Proteins

• Carbohydrates

• Nucleus

• Lipids