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Science Year 10 > Bio Question > Flashcards

Bio Question Flashcards

1
Q

When can chromosomes be found

A

During cell division

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2
Q

XX

A

Female

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3
Q

XY

A

Male

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4
Q

How much DNA does an average person have

A

2m

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5
Q

How many Nucltide bases does an average human have

A

3 mill

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6
Q

How many genes does an average human have

A

32000

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7
Q

What order does the genetic material go in

A

Cell, Nucleus, Chromosomes, DNA, Genes

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8
Q

What does Adenine bond with

A

Thymine

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9
Q

What does Guanine Bond with

A

Cytosine

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10
Q

What type of daughter cells does mitosis make

A

Two genetically identical cells diploid cells

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11
Q

What type of daughter cells does mieosis make

A

Four genetically variable haploid cells

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12
Q

What happens in Interphase

A

Chromosomes duplicate

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13
Q

What happens in prophase

A

Chromosomes condense
cell structure breaks down

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14
Q

What happens in metaphase

A

Spindle capture chromosomes

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15
Q

What happens in Anaphase

A

The sister chromatids seperate

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16
Q

What happens in telophase

A

Normal cell structures are reestablished

17
Q

What makes meiosis different

A

PMAT happens twice

18
Q

When does Meiosis happen

A

Sexual cell reproduction

19
Q

When does mitosis happen

A

Bodily repair growth

20
Q

What are the three effects of mutation

A

Neutral
Harmful
Helpful

21
Q

What are the two types of mutation

A

chromosome
Gene

22
Q

When does gene mutation occur

A

Only happens when cells divide

23
Q

Types of mutagens

A

UV radiation
Chemical exposure
Nuclear radiation

24
Q

Types of gene mutation

A

Deletion
Insertion
Substitution

25
Q

Effects of substitution

A

Missense
Nonsense
Silent

26
Q

What does a silent substitution mutation

A

Does not change the coded amino acid

27
Q

What does a missence substitution mutation

A

If the mutation changes the amino acid

28
Q

What does a nonsense substitution mutation

A

Tells the code to stop before it is meant to

29
Q

Who started the study of heriditry

A

Gregor Mendel an Austrian monk

30
Q

If two parents have the genotype Bb and bb what are the chances of the child inheriting the resscesive gene

A

50 petvent

31
Q

What are the three types of biodiversity

A

Genetic
Species
Ecosystem

32
Q

How does genetic variation occur

A

Independent assortment
Recombination
Mutations

33
Q

Natural selection is also known as

A

The survival of the fittest

34
Q

Biotic factors include

A

Predators
Competition
Food
Diseases

35
Q

Abiotic factors

A

Temperature
Salinity
Soil
Weather
Water
Space
Oxygen
Air and wind

Science Year 10 (8 decks)

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