Slideshow 3

Question 1

What does SGR stand for ? mainly what is it named after ?

Answer 1

named stay green, named after the mutant state

Question 2

so SGR+/SGR+ is ?

Answer 2

Like A/A

Question 3

so SGR-/SGR- is ?

Answer 3

like a/a

Question 4

What happens when SGR+ doesn’t work correctly?

Answer 4

If wont be able to degrade chlorophyll , meaning they will look green

Question 5

Does geno determine pheno or the other way around?

Answer 5

genotype can help determine the phenotype

Question 6

why is yellow dominant in the pea plants ?

Answer 6

because one dose of wild type protein is enough to effectively remove chlorophll

Question 7

what is pah referring to

Answer 7

phenylketonuria

Question 8

what is the mutations effect based on?

Answer 8

mainly based on where it actually occurs on a chromosome

Question 9

Intergenic def

Answer 9

area between genes

Question 10

intragenic def

Answer 10

area within a gene

Question 11

intron def

Answer 11

within a protein coding gene, a region that dows not code for amino acid

Question 12

exon def

Answer 12

within a protein coding gene, a region that DOES code for amino acids

Question 13

What are the two extreme mutations

Answer 13

silent and null mutation

Question 14

silent mutation def

Answer 14

has no effect on the protein sequence coded

Question 15

null mutation def

Answer 15

eliminates function of the protein coded for by the gene

Question 16

what does structure dictate

Answer 16

function

Question 17

transcription does what

Answer 17

DNA to MRNA

Question 18

translation does what

Answer 18

turns MRNA to protein

Question 19

do all mutations affect funtion?

Answer 19

no

Question 20

what do ALL mutations do

Answer 20

change the DNA sequence

Question 21

Mendelian diploid transmission genetics means what?

Answer 21

detthat 1 gene affects phenotype (think about pea plants)

Question 22

Once a mutation occurs, what can we classify it as ?

Answer 22

silent or null

Question 23

What does multiple alleles mean

Answer 23

when 4 alleles affect and complete the color gene (think of the rabbits)

Question 24

Haplosufficiency def

Answer 24

a single wild type allele is sufficient for wild-type phenotype

Question 25

in haplosufficient phenotypes what is the heterogygous phenotype the same as

Answer 25

same as wild type

Question 26

haploinsufficiency def

Answer 26

a single wild-type allele is insufficient for wild-type phenotype

Question 27

in haploinsufficiency phenotypes what is the heterogygous phenotype the same as

Answer 27

same as mutant

Question 28

Dominant negative mutation /allele def

Answer 28

mutant protein product interferes with the function of the wild-type protein product

Question 29

can recessive allels be wild type ?

Answer 29

YES

Question 30

can dominant alleles be mutant?

Answer 30

YES

Question 31

Dominant negative mutation quick summary:

Answer 31

They need two good functional proteins in order to work

Question 32

What are the 2 exceptions to complete dominance

Answer 32

Codominance and Incomplete

Question 33

codominance def

Answer 33

in the heterozygote we see a third phenotype and both homozygous phenotypes show up seperately

Question 34

incomplete dominance def

Answer 34

in the heterozygote we see a third phenotype which is a mixture of the homozygous phenotypes.

Question 35

is there always complete dominance ?

Answer 35

no

Question 36

Epistasis def

Answer 36

aka gene interaction

Question 37

Example of epistasis

Answer 37

allele A affects phenotype differently depending on the genotype at another gene

Question 38

under episatis , what is the effect of a genotype at one gene contingent upon

Answer 38

the genotype at one of more other genes

Question 39

phenotype getting determined by variation @2 or more genes is in what

Answer 39

Epistasis

Question 40

melanocytes def

Answer 40

affects color

Question 41

eumelanin def

Answer 41

a darkish pigment found in hair and skin

Question 42

In dogs what is black represented by

Answer 42

B/_ ; E/_

Question 43

in dogs what is brown represented by

Answer 43

b/b ; E/_

Question 44

in dogs what is a yellow dog with a pink nose represented as

Answer 44

b/b ; e/e

Question 45

in dogs what is a yellow dog with a black nose represented as

Answer 45

B/_ ; e/e