Chromosome number

What stage of the cell cycle does this represent?

• Interphase
• M-phase
• Cytokinesis

How many times does interphase occur before mitosis?

• one
• two
• three
• four

How many times does interphase occur before meiosis?

• one
• two
• three
• four

This diagram represents mitosis in a fruit fly cell. How many chromosomes are present in the fruit fly cell before interphase (A)?

• 4
• 8
• 16

This diagram represents mitosis in a fruit fly cell. How many chromatids are present in the fruit fly cell before interphase (B)?

• 4
• 8
• 16

This diagram represents mitosis in a fruit fly cell. How many chromasomes are present in the fruit fly cell after interphase (C)?

• 4
• 8
• 16

This diagram represents mitosis in a fruit fly cell. How many chromatids are present in the fruit fly cell after interphase (D)?

• 4
• 8
• 16

This diagram represents mitosis in a fruit fly cell. How many chromosomes are present in the fruit fly daughter cells after interphase (E)?

• 4
• 8
• 16

This diagram represents mitosis in a fruit fly cell. How many chromatids are present in the fruit fly daughter cells after interphase (F)?

• 4
• 8
• 16

Let's say that the fruit fly cells are going through meiosis to produce sperm and egg cells. How many chromosomes would we expect to see in the 4 daughter cells after a germ cell undergoes meiosis?

• 4
• 8
• 16