Can there be a heterozygous recessive? Explain.

List any four traits in humans which you can easily study just by observing and making family charts.

Give the common and scientific names of the organism on which Gregor Mendel had worked.

Distinguish between the following pairs:

(i) Monohybrid and Dihybrid cross

(ii) Genotype and Phenotype

(iii) Character and Trait

(iv) Dominant and Recessive Allele

(v) Autosomes and Sex chromosomes