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?

A

46 individuals

23 pairs

Q

Chromosomes come in pairs they come from?

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?

A

Pink

Q

In a punnet square the capital letter is

A

Dominant

Q

Genotype are…?

A

The alleles you have

Q

Cystic fibrosis is caused by a…

A

Recessive allele

Q

Polydactyl is caused by a…

A

Dominant allele

Q

How many genes do you need for polydactyl?

A

One

Q

In selective breeding what is the first step?

A

Decide which characteristic is most important

Q

In selective breeding what is the second step?

A

Select parents with these characteristics

Q

In selective breeding what is the third step?

A

Breed these individuals together

Q

In selective breeding what is the fourth step?

A

Select the best offspring and breed again

Q

In selective breeding what is the fifth step?

A

Repeat for many generations

Q

Genetic engineering is…

A

Moving genes from one living organisms to another