Law of dominance was given by:
A.Mendel
B.Weismann
C.de Vries
D.Darwin
Category: Basic Genetics Mcqs
In case red flower colour is dominant to white flower colour which of these statements is correct:
A.All red-flowered plants from red flowered plants
B.A few red-flowered plants from red-flowered plants
C.Ration of red-flowered plants from white-flowered hybrid plants is 1:1
D.Only white-flowered plants from white-flowered plants
Which of these do not follow mendelian ratios:
A.Complementary and supplementary genes
B.Lethal genes and incomplete dominance
C.Modifier genes
D.All of these
If a genotype is not known it is crossed with recessive parent to reveal what is hidden then the cross is known as:
A.Backcross
B.Monohydrid cross
C.Test cross
D.Dihybrid cross
Mule is hybrid offspring of:
A.Male and female donkey
B.Female horse and male donkey
C.Male and female horse
D.None of these
Genetic complement is called:
A.Genotype
B.Phenotype
C.Alleles
D.None of these
Which of these is a heterozygous condition:
A.RR
B.Rr
C.rr
D.RRrr
Besides devising checker-board method Bateson is also known for:
A.Coining the term allelomorph for genes of contrasting expressions of characters
B.Coining terms ‘genotype’ and ‘phenotype’
C.Describing gene interactions
D.None of these
In man certain characters may be dominant and recessive. Which of these characters are dominant:
A.Colour blindness and haemophilia
B.Normal coloured vision and normal clotting
C.Testelessness to PTC
D.Attached ear lobes
Term genetics was first used by:
A.Bateson
B.Sutton
C.Mendel
D.Morgan
