Evolution Of Population

Question 1

The genetic make up of an individual

Answer 1

Genotype

Question 2

What an individual does to obtain resources

Answer 2

Niche

Question 3

A change in aller frequency due to migration of a small group of the population

Answer 3

Founder affect

Question 4

The exchange of DNA sequences between non sister chromatids during meiosis 1

Answer 4

Crossing over

Question 5

A trait controlled by two or more genes

Answer 5

Polygenic trait

Question 6

The situation in which allele frequencies do not change

Answer 6

Genetic equilibrium

Question 7

Two populations are separated by geographic barriers

Answer 7

Geographical isolation

Question 8

A method of creating different genetic combinations during sexual reproduction

Answer 8

Gene shuffling

Question 9

Individuals at the centre of the curve have highest fitness

Answer 9

Stabilizing selection

Question 10

Random separation of homologous pairs of chromosomes during meiosis 1

Answer 10

Independent assortment

Question 11

Individuals at one end of the spectrum have higher fitness than individuals at the middle of the end of the curve

Answer 11

Directional selection

Question 12

Random in the relative change of different genotypes in a small population

Answer 12

Genetic drift

Question 13

When members of two population ma cannot interbreed and produce fertile offspring

Answer 13

Reproductive isolation

Question 14

The formation of a new distinct species in the course of evolution

Answer 14

Speciation

Question 15

The traits that are seen in an organism

Answer 15

Phenotype

Question 16

Requiring only one allele for a trait to be expressed in a heterozygous individual

Answer 16

Dominant

Question 17

An Individual having two identical alleles for a given trait

Answer 17

Homozygote

Question 18

Requiring two of the same alleles in order for a trait to be expressed in a homozygous individual

Answer 18

Recessive

Question 19

Different species competing for the same resource

Answer 19

Ecological competition

Question 20

The number of times that an allele appears in a gene pool

Answer 20

Relative frequency

Question 21

Individuals at the upper and lower ends of the curve have highest fitness

Answer 21

Disruptive selection

Question 22

Any change in genetic sequence

Answer 22

Mutation

Question 23

The theory that states that allele frequencies in a population will remain constant unless factors cause those frequencies to change

Answer 23

Hardy Weinberg principle

Question 24

A trait that is controlled by only one gene

Answer 24

Single gene trait

Question 25

When two populations are capable of interbreeding but have have different mating strategies or rituals

Answer 25

Behavioural isolation

Question 26

Two or more species reproduce at different times

Answer 26

Temporal isolation

Question 27

An individual having two different alleles for a given trait

Answer 27

Heterozygote

Question 28

All of genes, including all of the different alleles, are present in a population

Answer 28

Gene pool