1. It is the study of heredity and variation.
A. Punnett Square B. Genetics
C. Heredity D. Variation
2. What are the two possible alleles for height?
A. Black and brown B. Straight and curly
C. Blue and green D. Short and tall
3. Which of the following describes a phenotype?
A. Black hair B. Pure black hair
C. Hybrid black hair D. Homozygous white hair
4. In human, black hair is dominant over brown. What is the percentage of having a brown hair?
A. 25% B. 50%
C. 75% D. 100%
5. In human, brown eyes is dominant over blue. What is the phenotypic ratio of brown and blue eyes?
A. 4:0 B. 3:1
C. 2:2 D. 0:4
