Statement 1:

Every sperm produced carries a unique genetic package.

Statement 2:

The fastest sperm has a better chance at fertilizing the egg.

Statement 3:

Fertilization occurs in the vagina.

Statement 4:

Fertilized eggs move from the fallopian tube toward the uterus.

Statement 5:

Eggs (ovules) are stored in the ovaries.

Statement 6:

Sometimes the mother's immune system sends out white blood cells to attack the fertilized egg, resulting in a miscarriage.

Statement 7:

An embryo with the sex chromosomes “XX” will develop into a boy.

Statement 8:

An embryo with the sex chromosomes “XY” will develop into a boy.

Statement 9:

The embryo grows and develops in the ovary.

Statement 10:

40% of new cases of syphilis and gonorrhea (STDs) are in high school students.

Structure A

Structure B

Structure C

Structure D

Structure E

Structure A

Structure B

Structure C

Structure D

Structure E

Describe what you see happening in the clip above.

• Can you identify the black and pink structures at the beginning of the clip?

• What does the green ball represent?

• What is this process? What results from this process?

Sentence Stem:

The black structure is _____________ and the pink structure is _____________.

The green ball represents _______________.

The process is called _________________ and the result of the process is __________________.

Write your answer in complete sentences in the box below.

Categorize the following as either belonging to the female or male reproductive system:

What is the function of the reproductive system?

If a pair of twins are male and female, are they fraternal or identical?

Explain your answer with at least one piece of evidence in complete sentences below.

Where do fraternal twins come from?

Where do identicaI twins come from?

How could one identical twin develop a disease such as cancer but not the other?

Respond using complete sentences below.