A Punnet square is used to determine the
a) actual outcome of a cross
b) result of meiosis
c) probable outcome of a cross
d) result of mitosis
Explanation: The Punnett square is a square diagram that is used to predict the genotypes of a
particular cross or breeding experiment
A test cross is……
a) Tt x Tt
b) TT x Tt
c) Tt x tt
d) TT x TT
Explanation: a cross between heterozygous dominant and homozygous recessive to check the heterozygosity
When Carl Correns self-crossed heterozygous pink flower plant (Rr X Rr), what was the genotype of F2 generation?
a) ½ RR and ½ rr
b) ½ RR, ¼ Rr and 1/4 rr
c) ¼ RR, ½ Rr, and ¼ rr
d) all were Rr
Explanation: 1:2:1
Which of the following example shows incomplete dominance?
a) height in garden pea
b) flower color in 4 O’clock plant
c) ABO blood group
d) drosophila eye pigment
Explanation: Mirabilis jalapa, the marvel of Peru or four o'clock flower, is the most commonly grown ornamental species
If black and white true breeding mice are mated and the result is all gray offspring, what inheritance pattern would you expect?
a) complete dominance
b) incomplete dominance
c) Co-dominance
d) epistasis
In which of the following, the genotypic and phenotypic ratio will be same i.e. 1:2:1?
a) complete dominance
b) Co-dominance
c) incomplete dominance
d) epistasis
