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
Category: Basic Genetics Mcqs
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
Who discovered the ova for the first time:
A.Graff
B.Malpighi
C.Swammerdon
D.All of these
In a cross between blue and white Andalusian fowls the results due to incomplete dominance will be:
A.50% blue and 50% white fowls
B.50% blue and 50% black fowls
C.25% blue and 75% white fowls
D.25% black and 75% white fowls
