Q1 of 32 Page 32

Differentiate between:

character and trait.















Character



Trait



Any heritable feature is called a character.



The alternative form of a character is called trait.



Example- Height of a plant is a character.



Example- Tall and dwarf are the traits of a plant.




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4

Which one of the following genotypes is homozygous dominant and which one homozygous recessive in regard to tongue rolling: Rr, IT, RR

 1

Differentiate between:

genotype and phenotype.

 1

Differentiate between:

monohybrid and dihybrid cross (phenotypic ratio).

 2

Among lion, tiger and a domestic cat, all the three have the same number of 38 chromosomes, yet they have different appearances. How do you account for such differences?