Mandelian Genetics (5)

Question 1

what us heritability ?

Answer 1

the proportion of observed differences of a trait among individuals of a population that are due to genetic differences

Question 1

what us heritability ?

Answer 1

the proportion of observed differences of a trait among individuals of a population that are due to genetic differences

Question 2

what is population genetics ?

Answer 2

is the study of genetic variation within populations, and involves the examination and modelling of changes in the frequencies of genes and alleles in populations over space and time

Question 3

meaning of plymorphic ?

Answer 3

When gene reoccur in number of different forms or alleles

Question 3

meaning of plymorphic ?

Answer 3

When gene reoccur in number of different forms or alleles

Question 4

define population

Answer 4

A freely interbreeding group of individuals.

Question 5

define gene pool

Answer 5

The sum total of genetic information present in a population at any given point in time.

Question 6

define phenotype

Answer 6

A morphological, physiological, biochemical, or behavioural characteristic of an individual organism.

Question 7

define genotype

Answer 7

The genetic constitution of an individual organism.

Question 8

what can evolutio be defined as ?

Answer 8

a change in gene frequencies through time

Question 9

equation for the Hardy–Weinberg equilibrium

Answer 9

p2+2pq+q2=1

Question 9

equation for the Hardy–Weinberg equilibrium

Answer 9

p2+2pq+q2=1

Question 10

what are the 6 assumptions to meet the Hardy–Weinberg equilibrium

Answer 10

1. Mating is random
2. Population size is very large
3. There is no migration between populations
4. There is no mutation
5. Natural selection does not affect the alleles under consideration
6. All members of the population breed

Question 11

what are the 6 assumptions to meet the Hardy–Weinberg equilibrium

Answer 11

1. Mating is random
2. Population size is very large
3. There is no migration between populations
4. There is no mutation
5. Natural selection does not affect the alleles under consideration
6. All members of the population breed

Question 12

what are the 2 results if the 6 assumptions are right ?

Answer 12

1. Frequencies of alleles at a locus will remain constant from generation to generation (except if there is drift, mutation, migration, selection)
2. Genotype frequencies can be predicted from allele frequencies

Question 12

what are the 2 results if the 6 assumptions are right ?

Answer 12

1. Frequencies of alleles at a locus will remain constant from generation to generation (except if there is drift, mutation, migration, selection)
2. Genotype frequencies can be predicted from allele frequencies

Question 13

whar does p2 stand for ?

Answer 13

the predicted frequency of homozygous dominant (AA) individuals in a population.

Question 14

what does 2pq stand for ?

Answer 14

is the predicted frequency of heterozygous (Aa) individuals.

Question 15

what does q2 stand for ?

Answer 15

the predicted frequency of homozygous recessive (aa) ones.

Question 16

what does q2 stand for ?

Answer 16

the predicted frequency of homozygous recessive (aa) ones.

Question 17

what must p+q add up to ?

Answer 17

p+q = 1

Question 18

when does population bottleneck occur ?

Answer 18

when a population undergoes a severe decrease in size.

Question 18

when does population bottleneck occur ?

Answer 18

when a population undergoes a severe decrease in size.