What is a karyotype? A karyotype is an image of all the chromosomes.
What do scientist use karyotypes for? Scientists take a picture of a person's cells when they are dividing.
How many pairs of chromosomes do humans have? 23
Both males and females have two sex chromosomes. Using the letters X and Y, describe the sex chromosomes of
Males: X,Y
Females: X,X
What do you think would happen if a person was born missing a chromosome or with too many chromosomes? They would be a little different.