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B2 > Cell Division > Flashcards

Cell Division Flashcards

1
Q

What are chromosomes made from?

A

DNA

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2
Q

Genes are short section of …

A

DNA

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3
Q

Genetically identical cells are produced by a cell division process called?

A

Mitosis

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4
Q

Gametes are produced by a cell division process called…

A

Meiosis

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5
Q

How many sets of chromosomes do gametes have?

A

1

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6
Q

How many sets of chromosomes do body cells have?

A

2

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7
Q

What is DNA?

A

Large, complex molecules that carry the genetic code that determines the characteristics of a living thing.

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8
Q

What is a gene?

A

A short section of DNA. Each gene codes for a specific protein by specifying the order in which amino acids must be joined together.

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9
Q

Where in a cell are chromosomes found?

A

The nucleus

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10
Q

How many times does the cell divide in mitosis?

A

1

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11
Q

How many genetically identical body cells are formed in mitosis?

A

2

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12
Q

Why does mitosis occur?

A

-for growth and repair

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13
Q

What are gametes?

A

Sex cells

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14
Q

What is fertilisation?

A

The joining of a male and female gamete.

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15
Q

What are stem cells?

A

Cells made to differentiate to form different types of cells.

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16
Q

Name a stem cell

A

A nerve cell

17
Q

Where can human stem cells come from?

A

Human embryos or bone marrow.

18
Q

How many times does the cell divide in meiosis?

A

Twice to form 4 gametes

19
Q

How many gametes are formed in meiosis?

A

4

20
Q

During meiosis, gametes are formed. How many sets of chromosomes do they have?

A

1

21
Q

Compared to a body cell, a gamete contains….the genetic information.

A

Half

22
Q

What cell division is used for growth and repair?

A

Mitosis

23
Q

Cells produced by mitosis are ….. Identical to each other and the original cell.

A

Genetically

24
Q

Mitosis produces daughter cells with …… Chromosomes As the parent cell

A

The same number of chromosomes

B2 (9 decks)

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