New Technologies Flashcards by Alice Chesney

Q

What does DNA stand for?

A

Deoxyribonuclecic acid

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Q

Where do chromosomes live?

A

In the nucleus

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Q

What to chromosomes contain of?

A

Of genetic material and consists of many genes

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Q

What is gene a segment of?

A

DNA

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Q

DNA contains bases which….

A

Help make protein

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Q

Protein determine your…

A

Phenotype

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Q

Phenotypes are….

A

The characteristic that you can see

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Q

What are the DNA bases

A

Adenine
Cytosine
Thymine
Guanine

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Q

A goes to?

A

T

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Q

T goes to?

A

A

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Q

C goes to?

A

G

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Q

G goes to?

A

C

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Q

Genes contain the instructions for..

A

The production of protein

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Q

Bases come in?

A

Threes, triplet code

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Q

Sequence of amino acid determines…

A

The protein that is made e.g. Blue eyes

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Q

How many chromosomes do humans have?

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A

46 individuals

23 pairs

Q

Chromosomes come in pairs they come from?

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A

One from your mum

One from your dad

Q

If there was a pink allele in a flower and a yellow allele and the flower is pink which colour is the dominant one?

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A

Pink

Q

In a punnet square the capital letter is

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A

Dominant

Q

Genotype are…?

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A

The alleles you have

Q

Cystic fibrosis is caused by a…

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A

Recessive allele

Q

Polydactyl is caused by a…

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A

Dominant allele

Q

How many genes do you need for polydactyl?

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A

One

Q

In selective breeding what is the first step?

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A

Decide which characteristic is most important

In selective breeding what is the second step?

Select parents with these characteristics

In selective breeding what is the third step?

Breed these individuals together

In selective breeding what is the fourth step?

Select the best offspring and breed again

In selective breeding what is the fifth step?

Repeat for many generations

Genetic engineering is...

Moving genes from one living organisms to another