Replication - Mitosis & Meiosis Review

What process is occurring? Crossing over Q-40

When during cell division does this process occur? Prophase I Q-41

Prophase Metaphase Anaphase Telophase What are the stages of mitosis in order? Prophase Metaphase Anaphase Telophase Q-17

Cells spend the majority of the time in what phase? Interphase Q-35

A cell that contains both sets of chromosomes is said to be . . . Diploid Q-18

What are the 3 phases of Interphase? • G1 • S • G2 Q-1&2

Copying process by which a cell duplicates its DNA - replication Q-27

Chromosomes line up in the middle during which phase? Metaphase Q-6

During what phase of mitosis does separation of chromatids begin? Anaphase Q-3

Which type of cell division does this represent? A B C Meiosis Q-31

The event in the diagram to the right is know as ________ B fertilization The union of A & B forms a ________. and restores the diploid number. zygote Q-38 Q-39

What does letter A represent? B C G1 Q-33

A cell with only a half set of chromosomes is called a gamete, and is known as having the ______ chromosome number. haploid Q-19

Four new cells are formed from each original What is the process? Meiosis Q-7

What protein regulates the timing of the cell cycle? Cyclin Q-30

Where in this cell cycle does DNA replicate? B C Where in this cell cycle does DNA replicate? B Q-34

The fibers that radiate from two poles and help separate the chromosomes are called the. . . Spindle Q-29

Which type of cell division does this represent? A B C Mitosis Q-32

The end result of Meiosis II is four _______ cells. haploid Q-25

Cytokinesis begins during what phase of mitosis? Telophase Q-4

After meiosis in males, there are ___ viable gametes produced. 4 Q-26a

In Meiosis I, the 4 sister chromatids are called a tetrad Q-24

After meiosis in females, there is ___ viable gamete produces 1 Q-26b

In mitosis, after a cell divides, each new daughter cell should contain DNA that is _______ to the DNA in the parent cell. identical Q-23

What is this? Chromosome

What are these called? Sister chromatids

What is this protein disk called? Centromere Which plays a role in chromosome movement during mitosis

What is the human chromosome number? 23 How many pairs? What is the human chromosome number? 46 What is the sex of this person? male

What phase of the cell cycle is this? Telophase

Which of these is NOT one of the phases in mitosis? anaphase telophase interphase prophase

What is the process by which an animal cell's cytoplasm divides? Cytokinesis

In plants, a structure known as the ____ _____ forms midway between the divided nuclei during cytokinesis. cell plate

What phase of the cell cycle is this? Metaphase

What phase of the cell cycle is this? Anaphase

The chromosome number is reduced from diploid (2n) to haploid (1n) during this process. Meiosis

The number of chromosomes in a gamete is represented by the letter . . .

Meiosis would only be found in these organs: brain & spinal cord ovaries & testes esophagus & colon ligaments & tendons

Cells produced by meiosis contain ______ the number of chromosomes as the original cell. one-half

The 2 cells that result from the division of one cell during mitosis are called? Daughter Cells

The purpose of mitosis is: maintenance growth repair of injury replacement of worn out cells

What phase of the cell cycle come before this? Prophase

During what phase of mitosis does the nuclear envelope reform? Telophase

The nuclear envelope breaks down in which phase? Prophase

During which phase of meiosis do the tetrads separate? anaphase I anaphase II telophase I telophase II The tetrads separate during anaphase I. The sister chromatids separate during anaphase II.