cells 3

Question 1

Name the stages of mitosis

Answer 1

prophase, metaphase, anaphase, telophase and cytokinesis

Question 2

name the stage that occurs before Mitosis during the cell cycle in which cell organelles are replicated

Answer 2

interphase

Question 3

what is the function of mitosis

Answer 3

growth and repair

Question 4

what is the function of meiosis

Answer 4

to produce gametes (sex cells)

Question 5

name the two human gametes

Answer 5

sperm and ovum

Question 6

how many chromosomes does a human diploid cell have?

Answer 6

46 or 23 pairs

Question 7

how many chromosomes does a human haploid cells have?

Answer 7

23

Question 8

define genetic variation

Answer 8

differences among individuals in composition of their genome

Question 9

define mutation

Answer 9

a change in an organisms DNA sequence

Question 10

name 3 factor that can increase the likelihood of a mutation

Answer 10

radiation, UV Light, chemical exposure

Question 11

define cancer

Answer 11

uncontrolled cell division

Question 12

name 3 things caused by genetic/ inherited variation

Answer 12

blood type, skin colour, eye colour

Question 13

who came up the idea of evolution by natural selection?

Answer 13

Charles Darwin

Question 14

define natural selection

Answer 14

those organism best adapted to their adapted to their environment are more likely to survive, breed and pass their desirable characteristics onto their offspring

Question 15

what causes evolution by natural

Answer 15

competition for resources

Question 16

name the 3 human fossil remains in order

Answer 16

ardi, Lucy, turkana boy

Question 17

how do bacteria provide evidence for evolution by natural selection

Answer 17

the development of antibiotic resistance

Question 18

what are the 8 levels of classification

Answer 18

domain, kingdom, phylum, class, order, family, genus and species

Question 19

define species

Answer 19

animals that can breed to produce fertile offspring

Question 20

By which scientific process or two organisms bread together due to their desirable traits with the intention that the offspring inherit these traits over many generations

Answer 20

selective breeding.