The physical expression of a character is called :

1. Genotype
2. Alleles
3. Phenotype
4. Traits

Purity of gametes is linked to :

1. Law of dominance
2. Law of independent assortment
3. Law of segregation
4. Law of limiting factor

In the human male, a sperm contains autosomes and :

1. X and Y chromosomes
2. Only X chromosome
3. X or Y chromosome
4. Only Y chromosome

If the mother is normal and the father is haemophilic, then their two daughters will be :

1. Normal
2. Haemophilic
3. Carrier
4. None