Biology
Description: practice questions on genetics | |
Number of Questions: 15 | |
Created by: Avani Handa | |
Tags: genetics Heredity and Genetics |
When a pink snapdragon is crossed with another pink snapdragon, red and white coloured flowers are obtained along with pink ones. In what ratio is the three coloured flowers obtained?
In which of the following cases is all 4 blood groups possible for the offsprings?
Which blood group shows co-dominance?
If both parents have heterozygous A blood group, what are the possible blood groups of the offsprings?
What is the possibility of getting white flowers when a pink snapdragon is crossed with a red one?
Complete dominance is seen in garden pea plant. What are the possible offsprings when a tall pea plant with yellow seeds (TtYY) is crossed with dwarf pea plant having green seeds (ttyy)?
Which of the following characterises pleiotropy?
Which amino acid change causes sickle cell anaemia?
Alleles are
Which of the following is an example of multiple allelism?
An example of pleiotropy is
What are the possible blood groups obtained when AB blood group is crossed with O group?
Genotypic and phenotypic ratios are the same in
Which of the following is an example of trisomic aneuploidy in man?
Which syndrome is produced by partial deletion of a short arm of chromosome 5?