Genes and patterns of inheritance

Question 1

Genotype

Answer 1

The genetic make-up of an organism, made up of alleles that determine a particular trait

Question 2

Phenotype

Answer 2

the outward appearance of an individual in terms of the trait under consideration

Question 3

Mendels first law

Answer 3

the 2 alleles of each gene separate during meiosis, with only one entering each gamete

Question 4

Monohybrid inheritance

Answer 4

The inheritance of the alleles of a single gene at a gene locus

Question 5

Gene

Answer 5

a section of DNA which codes for a particular protein. They are located on chromosomes

Question 6

Alleles

Answer 6

Different forms of the same gene. In diploid organisms, they are located the same locus on homologous chromosomes

Question 7

Codominance

Answer 7

Both alleles are expressed as neither dominates the other

Question 8

Mendels second law

Answer 8

Each member of an allelic pair may combine randomly with either of another pair

Question 9

Epistasis

Answer 9

When one gene modifies or interferes with the action of another gene