Inheritance

Question 1

Phenotype

Answer 1

physical appearance/trait of an organism

Question 2

Codominance

Answer 2

occurs when both alleles expressed

Question 3

Mutagens agents can..

Answer 3

increase the rate of mutation in an organism

Question 4

Allele

Answer 4

alternative firms of a gene which occupy the same loci on a pair of homologous chromosomes

Question 5

Mutagens C…

Answer 5

Chemicals
Tar, formaldehyde

Question 6

Evolution is…

Answer 6

the gradual change in the inheritable characteristics of a population over time

Question 7

mutation

Answer 7

sudden random change in the nucleotide sequence of a gene or chromosome number, occurs randomly and spontaneously
Due to errors in DNA replication/cell division

Question 8

Mutagens R…

Answer 8

Radiation
UV light, X-ray

Question 9

Natural selection

Answer 9

process in which organisms with desirable genes and characteristics are ‘selected; or ‘favoured’ to survive and pass on their genes to their offspring

Question 10

Gene

Answer 10

sequence of nucleotides which codes for for one polypeptide which eventually produces a protein

Question 11

Genotype

Answer 11

genetic composition of an organism/ combination of alleles inherited from parents