Inheritance,variation and evolution

Question 1

Mitosis

Answer 1

Leads to two identical daughter cells

Question 2

Miosis

Answer 2

Leads to 4 different daughter cells

Question 3

Miosis uses …

Answer 3

Sexual reproduction (gametes)

Question 4

Mitosis uses …

Answer 4

Growth repair

Question 5

Women gametes

Answer 5

Eggs

Question 6

Male gametes

Answer 6

Sperm

Question 7

Female plant gametes

Answer 7

Eggs (stigma)

Question 8

Male gametes in a plant

Answer 8

Pollen (starten)

Question 9

Miosis = 2 divisions

Answer 9

1st division - propase - metaphase - anaphase - telophase - 2nd division anaphase -propase metaphase -telophase

Question 10

Asexual reproduction

Answer 10

When only one parent reproduces

Question 11

Asexual reproduction is …

Answer 11

• common in the plant world

- means we would have a genetically identical population

Question 12

Is bacteria/fungi mitosis or miosis

Answer 12

Mitosis = so all daughter cells will be the same

Question 13

Advantages of sexual reproduction

Answer 13

• genetically diverse population

- better protected from disease because not very one is the same people will react to different things in different ways

Question 14

Disadvantages of sexual reproduction

Answer 14

-mate required

Question 15

Advantages of asexual production

Answer 15

• one parent

- energy is conserved

Question 16

Disadvantages of Asexual reproduction

Answer 16

-genetically identical

Question 17

AGA

Answer 17

Arginine (amino acid)

Question 18

GTG

Answer 18

Leucine

Question 19

Protein cells are …

Answer 19

Hormones
Enzymes
Cell wall
Basically a re and help with everything in the body

Question 20

Gamete

Answer 20

Sex cell

Question 21

Gene

Answer 21

Stretch of DNA,codes for characteristics

Question 22

Genome

Answer 22

All genes in the body

Question 23

Chromosome

Answer 23

Bundled up DNA

Question 24

Allele

Answer 24

Different versions of genes

Question 25

Dominant

Answer 25

Only need one gene to express characteristic

Question 26

Recessive

Answer 26

Needs 2 identical recessive genes to express characteristics

Question 27

Homozygous

Answer 27

Genes are the same

Question 28

Heterozygous

Answer 28

Genes are different

Question 29

Genotype

Answer 29

What genes you have

Question 30

Phenotype

Answer 30

What characteristics you have

Question 31

Polydactyl

Answer 31

Someone who has extra fingers or toes | -dominant (only need one parent with this )

Question 32

Cystic fibrosis

Answer 32

- thick cystic mucus blocks airway | - recessive disease

Question 33

Embryo screening advantages

Answer 33

Healthy embryos planted | Saviour sibling

Question 34

Embryo screening disadvantages

Answer 34

- embryos are going to be created and destroyed | - people have religious objections to this

Question 35

Where are chromosomes located and how many does the body have ?

Answer 35

In the nucleus | The body has 23 pairs or 46 in total

Question 36

Females in chromosomes is ...

Answer 36

XX

Question 37

Makes in chromosomes is ...

Answer 37

YX

Question 38

What effects phenotype

Answer 38

- characteristics | - how you look