inheritance

Question 1

define gene

Answer 1

• refers to a specific sequence of nucleotides in the dna which codes for a polypeptide or a rna

Question 2

define locus

Answer 2

• refers to position of a gene on a chromosome or within a dna molecule
• the 2 alleles of a gene occupy the same locus on a pair of homologation chromosomes

Question 3

define allele

Answer 3

• it is an alternative form of a gene
• the 2 alleles of a gene occupy the same locus on a pair of homo chrom

Question 4

define dominant allele

Answer 4

• the alleles that shows its phenotype even in the presence of an alternative allele

Question 5

define recessive allele

Answer 5

• the alleles that shows its phenotype only in the presence of another identical recessive allele

Question 6

define codominance

Answer 6

• when 2 diff dominant alleles of the same gene are expressed independently of one another and influence the phenotype in the heterozygous