Replication - Mitosis & Meiosis Review. Crossing over What process is occurring? Q-40.

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Transcript of Replication - Mitosis & Meiosis Review. Crossing over What process is occurring? Q-40.

Replication - Mitosis & Meiosis

Review

Crossing over

What process is occurring?

Q-40

Prophase I

When during cell division does this process occur?

Q-41

ProphaseMetaphaseAnaphaseTelophase

What are the stages of mitosis in order?

Q-17

Interphase

Cells spend the majority of the time in what phase?

Q-35

Diploid

A cell that contains both sets of chromosomes is said to be . . .

Q-18

• G1• S• G2

What are the 3 phases of Interphase?

Q-1&2

replication

Copying process by which a cell duplicates its DNA -

Q-27

Metaphase

Chromosomes line up in the middle during which phase?

Q-6

Anaphase

During what phase of mitosis does separation of chromatids begin?

Q-3

Which type of cell division does this represent?Meiosi

s

A

B

C

Q-31

fertilization

The event in the diagram to the right is know as ________

A

B

The union of A & B forms a ________.zygote

Q-38 Q-39

and restores the diploid number.

G1

Q-33

A

B

C

What does letter A represent?

haploid

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

Q-19

Meiosis

Four new cells are formed from each originalWhat is the process?

Q-7

Cyclin

What protein regulates the timing of the cell cycle?

Q-30

B

Where in this cell cycle does DNA replicate?

Q-34

A

B

C

Spindle

The fibers that radiate from two poles and help separate the chromosomes are called the. . .

Q-29

Mitosis

Q-32

A

B

C

Which type of cell division does this represent?

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

Q-25

Telophase

Cytokinesis begins during what phase of mitosis?

Q-4

4

After meiosis in males, there are ___ viable gametes produced.

Q-26a

tetrad

In Meiosis I, the 4 sister chromatids are called a

Q-24

1

After meiosis in females, there is ___ viable gamete produces

Q-26b

identical

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

Q-23

Chromosome

What is this?

Sister chromatids

What are these

called?

Centromere

What is this protein disk called?

Which plays a role in chromosome movement during mitosis

46 What is the human chromosome number?

How many pairs?

23

What is the sex of this person?male

Telophase

What phase of the cell cycle is this?

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

Cytokinesis

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

cell plate

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

Metaphase

What phase of the cell cycle is this?

Anaphase

What phase of the cell cycle is this?

Meiosis

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

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

n

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

one-half

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

Daughter Cells

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

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

Prophase

What phase of the cell cycle come before this?

Telophase

During what phase of mitosis does the nuclear envelope reform?

Prophase

The nuclear envelope breaks down in which phase?

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.