Cell Reproduction Pre-Quiz

What are chromosomes made of?

• DNA
• Proteins
• DNA and Proteins

How many chromosomes are present in the body cells of human beings?

• 23
• 2
• 42
• 46

How many chromosomes are present in the sex cells of human beings?

• 23
• 2
• 44
• 46

If a species had 50 chromosomes in its body cells, how many would be found in its sex cells?

• 2
• 25
• 50

What occurs in mitosis?

• Cell Division
• Nuclear Division
• Cytoplasm Division

What cells are made during meiosis?

• Somatic Cells
• Body Cells
• Gamete Cells

A skin cell contains

• all of the genes for an entire person
• only the genes needed by skin cells
• the genes for one function, like making melanin
• . only the genes necessary for skin cell function

What are the sex chromosomes for a female?

• XY
• XX
• YZ
• XZ

What is the first stage of mitosis?

• Interphase
• Prophase
• Metaphase
• Telophase

Are fraternal twins identical?

• Yes
• No
• Maybe