EXAMMMMMMM >.<

Question 1

wHAT IS THE DIFFERENCE BETWEEN MEIOSIS VS MITOSIS

Answer 1

Mit.: somatic, 2 diploid cells, clone cells, 1 division

Meio.: germ, 4 haploid gametes, unique gametes, 2 divisions

Question 2

What is it called when DNA makes a copy of itself

Answer 2

replication

Question 3

When does replication happen?

Answer 3

S phase of interphase

Question 4

What is 2n=46

Answer 4

46: chromosome number
2n: diploid cell number

Question 5

What is the union of haploid gametes called? ;)

Answer 5

fertilization

Question 6

WHat are the 22 normal chromosomes called?

Answer 6

autosomes

Question 7

WHa is the other 1 chromosome called

Answer 7

sex chromosomes

Question 8

What are the three sources of genetic variation

Answer 8

random fertilization, crossing over, independent assortment

Question 9

When does crossing over occur?

Answer 9

Prophase 1

Question 10

What happens in anaphase 1 vs. 2?

Answer 10

1.: homologous pairs separating 2.:sister chromatids separating

Question 11

Study of inheritance

Answer 11

genetics

Question 12

Mendel’s 4 contributes

Answer 12

1. There are factors that are passed down from parents to offspring
2. these factors occur in pairs
3. dominant genes mask the recessive genes
4. factors are seperated during gamete formation

Question 13

codominance

Answer 13

both traits are expressed

Question 14

incomplete dominance

Answer 14

mix of the two traits

Question 15

how does trisomy one occur

Answer 15

nondisjunction

Question 16

Biotechnology

Answer 16

the use of living things and/or their parents to make something useful to mankind

Question 17

What is a complete set of chromosomes in an organism?

Answer 17

genome

Question 18

What is the feild of science that organised the genome

Answer 18

bioinformatics

Question 19

What is an exact genetic duplicate?

Answer 19

a clone

Question 20

What is somatic cell nuclear transfer used for

Answer 20

cloning

Question 21

WHat are some usses for DNA fingerprinting?

Answer 21

identifying criminals, identifying fathers, i dentifying corpses or remains, using family DNA to se who the dead person is

Question 22

WHat are the uses of recombinant DNA

Answer 22

insulin, Pesticide, herbacide

Question 23

What cuts the DNA to make recombinant DNA

Answer 23

restriction enzymes

Question 24

Where do restriciton enzymes come from?

Answer 24

bacteria, to fight off viruses

Question 25

What is PCR

Answer 25

umakes copies of DNA

Question 26

What was the goal of the human genome project?

Answer 26

to map out all of the genes on chromosomes in the human body. To determine which genes are there and where they are, and what they code for?

Question 27

Microevolution

Answer 27

small changes in alelle frequencies in a population over time

Question 28

What are the 3 things that cause microevolution

Answer 28

natural selection, gene flow., genetic drift

Question 29

allopatric speciation

Answer 29

different country

Question 30

sympatric speciation

Answer 30

different country

Question 31

2 pillars of darwins theory

Answer 31

Decent with modification from a common ancestor, natural selection is the means by which decent with modification occurs