If the two alleles for a particular gene are identical the gene pair is:

If an individual is homozygous for a particular trait:

If an allele must be present on both the maternal and paternal chromosomes to affect the phenotype, the allele is said to be 

(a) Dominant

(b) Recessive

(c) Complementary

(d) Heterozygous

Distinguish between the following paired terms: 

(a) genotype and phenotype,