GENETICS TERMS

1. The trait that is visible, and masked the recessive traits is called __________ trait. It represented using a capital letter.

• Dominant

• Recessive

• Genotype

• Phenotype

2. ____________ is the trait that is expressed if both recessive traits are crossed. It is masked by dominant trait.

• Dominant

• Recessive

• Genotype

• Phenotype

3. _____________ refers to the internal genetic constitution. (e.g. AA, aa, Aa). It is the genetic makeup of a cell.

• Homozygous

• Heterozygous

• Genotype

• Phenotype

4. _____________ refers to the external or physical expression of a trait (e.g. brown, tall, round)

• Homozygous

• Heterozygous

• Genotype

• Phenotype

5. When an individual has two of the same alleles, whether dominant or recessive, they are _______________.

• Homozygous

• Heterozygous

• Dominant

• Recessive

6. _____________________ is a pair of genes where one is dominant and one is recessive.

• Homozygous

• Heterozygous

• Dominant

• Recessive