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A person having genotype IᴬIᴮ would show blood group AB. This is because of:
Mendel's law of independent assortment holds good for genes situated on:
ZZ/ZW type of sex determination is seen in:
Occasionally, a single gene may express more than one effect. The phenomenon is called:
If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is:
Conditions of a karyotype 2n ± 1 and 2n ± 2 are called:
A cross between two tall plants resulted in offspring having a few dwarf plants. What would be the genotypes of both parents?
In a certain taxon of insects, some have 17 chromosomes and others have 18 chromosomes. The 17- and 18-chromosome-bearing organisms are:
In sickle cell anaemia, glutamic acid is replaced by valine. Which one of the following triplets codes for valine?
Two genes A and B are linked. In a dihybrid cross involving these genes, the F₁ heterozygote is crossed with the homozygous recessive parental type (aabb). What would be the ratio of offspring in the next generation?
In a dihybrid cross, if you get a 9:3:3:1 ratio, it denotes that:
Distance between the genes and percentage of recombination shows:
Mendel proposed that the factor controlling any character is discrete and independent. This proposition was based on:
Which of the following will not result in variations among siblings?
The inheritance pattern of a gene over generations among humans is studied by pedigree analysis. The character studied in pedigree analysis is equivalent to:
