Topic 6 - Inheritance, Variation and Evolution Flashcards Preview

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Flashcards in Topic 6 - Inheritance, Variation and Evolution Deck (21):
1

Where is DNA found?

nucleus

2

What is a gene?

small section of DNA
codes for amino acids

3

What is genome?

a full set of genetic mats (human genome)

4

What is in a nucleotide?

sugar, phosphate, base

5

how many bases in one amino acid?

3

6

What does junk DNA do?

switch genes on a off to see if they are expressed

7

what does mRNA do?

Copies the DNA and brings it to the ribosome

8

what are the three types of mutation in DNA?

deletion, substitution, insertion

9

Is Polydactyly Dominant or recessive?

dominant

10

is Cystic Fibrosis Dominant or recessive?

Recessive

11

What did Mendel do?

Cross tall pea plants and dwarf pea plants

12

What were Mendel's plant characteristics determined by?

Hereditary units

13

lamarck's idea?

happen during lifetime = passed on to offspring

14

what's a Phenotype?

physical carachteristics

15

What's a genotype?

Genetic characteristic

16

How do you genetically engineer a thing?

cut out the useful gene via enzymes
insert into vector
Put vector into cell

17

Where do vectors for genetic engineering come from?

virus or bacterial plasmid

18

What is speciation?

When two species become so different that they cannot reproduce fertile offspring

19

What did Carl Linnaeus do?

He made the binomial system

20

Who made the binomial system?

Carl Linnaeus

21

What two parts are in the binomial system?

genus and species