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Biosphere Quiz > DNA, Meiosis, and Reproduction > Flashcards

DNA, Meiosis, and Reproduction Flashcards

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1
Q

The process during which chromosome number is [halved] in order to produce gametes.

A

Meiosis

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2
Q

The process in which the chromosome number is duplicated to produce body cells.

A

Mitosis

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3
Q

Shape of a DNA molecule

A

Spiral Staircase

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4
Q

1 set of chromosomes=

A

haploid

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5
Q

2 sets of chromosomes=

A

diploid

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6
Q

first cell of an organism

A

zygote

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7
Q

reproductive cells

A

gametes (egg and sperm)

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8
Q

a pair that has the same size and shape and contains the same genes,but different forms of genes; one came from the male parent and one came from the female parent.

A

homologous

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9
Q

4 molecules in DNA that complement each other and are linked by hydrogen bonds.

A

nitrogen base( A, T, and G, C )

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10
Q

the process of forming a new organism from a single cell or organism.

A

Asexual reproduction

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11
Q

the process of forming a new organism from 2 parents.

A

Sexual reproduction

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12
Q

DNA wrapped around a protein that carries genetic material.

A

chromosome

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13
Q

Mitosis has _ cells divisions

A

1

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14
Q

Meiosis has _ cell divisions

A

2

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15
Q

Mitosis has an ____ of the DNA of the daughter cell compared to the parent cell.

A

exact copy

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16
Q

Meiosis has ____ the amount of DNA of the daughter cell compared to the parent cell.

A

half

17
Q

Mitosis produces ____

A

body cells

18
Q

Meiosis produces ____

A

gametes

19
Q

self pollination

A

the pollination of a flower by pollen from the same flower or from another flower on the same plant.

20
Q

binary fission

A

asexual reproduction by a separation of the body into two new bodies

21
Q

parthenogenesis

A

an asexual reproduction in which a female can produce an embryo without fertilizing an egg with sperm.

22
Q

fragmentation

A

the process by which a living organism split into parts that later grow identical to the original organism.

23
Q

cross pollination

A

the process of applying pollen from one flower to the pistils of another flower.

24
Q

how many pairs of chromosomes to humans have?

A

23 pairs

25
Q

deoxyribonucleic

A

DNA

26
Q

which 3 people won a noble prize for determining the structure of a DNA molecule?

A

Watson,Crick,Wilkins

27
Q

3 main components of nucleotide s

A

sugar,phosphate group,nitrogen base.

28
Q

Deoxyribose

A

the specific sugar in a DNA molecule

29
Q

the sides of a DNA molecule are made up of__

A

sugar and phosphate

30
Q

what are the rungs of DNA molecule made of?

A

hydrogen bonds

31
Q

who created the rules for hydrogen bases

A

Chargaff

32
Q
A

Biosphere Quiz (5 decks)

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