Principles of Inheritance & Variation Questions
Experimental verification of the chromosomal theory of inheritance was done by:
Chromosomal theory of inheritance was proposed by:
Starch grain size in pea seeds shows:
ABO blood groups are controlled by the gene I which has:
Co-dominance is seen in:
In incomplete dominance, the phenotypic ratio in F2 is:
Test cross is a cross between:
In a cross between homozygous dominant (YY) and homozygous recessive (yy), the F2 generation will have a genotypic ratio of:
The Mendelian principle which has always stood true without exceptions is:
How many types of gametes will be produced by individuals of AABbcc genotype?
According to the Law of independent assortment, in a dihybrid cross:
"Gametes are never hybrid". It is a statement of the law of:
A pure tall pea plant is crossed with pure dwarf pea plant. The progeny is self-pollinated. The ratio of true breeding tall pea plants to true breeding dwarf pea plants shall be:
The graphical representation to calculate probability of all genotypes of offspring in a genetic cross is called:
Select the odd one out (Mendel's contrasting traits):
Identify the INCORRECT statement regarding Chromosomal Theory of Inheritance:
Identify the INCORRECT statement regarding Linkage:
Identify the INCORRECT statement regarding Phenylketonuria:
Identify the INCORRECT statement regarding Thalassemia:
Identify the INCORRECT statement regarding Polygenic Inheritance:
Identify the INCORRECT statement regarding Sickle Cell Anemia:
Identify the INCORRECT statement about pedigree analysis:
Which of the following is an INCORRECT statement regarding sex determination?
Identify the INCORRECT statement about Drosophila melanogaster:
Identify the INCORRECT statement regarding Mendelian inheritance:
Which of the following characters was not used by Mendel?
Mendel's Law of Independent Assortment holds good for genes situated on the:
The genotype of a "Carrier" for an X-linked recessive disease is:
Gynaecomastia is a symptom of:
The number of linkage groups in a cell is equal to its:
Haemophilia is also called:
If a color-blind man marries a woman whose father was color-blind, what is the probability of their son being color-blind?
The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by:
A cross between AaBb × aabb is a:
Polygenic inheritance is influenced by:
Pleiotropy occurs when:
Which type of Thalassemia involves the mutation of genes on Chromosome 16?
Thalassemia is a/an ______ linked ______ disorder.
Turner’s syndrome is characterized by:
A person with Klinefelter's syndrome has the karyotype:
Down's syndrome is caused by the trisomy of chromosome number:
Failure of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome, called:
The substitution in Sickle cell anemia occurs at which position of the beta-globin chain?
The amino acid substituted in Sickle cell anemia is:
Phenylketonuria is an inborn error of metabolism which is:
In a pedigree analysis, a solid (filled) circle represents:
Sickle cell anemia is an example of:
A mutation that involves a change in a single base pair of DNA is called:
Which of the following is a result of X-O type sex determination?
In birds, the female heterogamety is represented by: