Principles of I...

In blood group typing in human, if an allele contributed by one parent is IA and an allele contributed by the other parent is i, the resulting blood group of the offspring will be

Inheritance of skin colour in human being is an example of

Which of the following is an example of co-dominance?

A human male produces sperms with the genotypes AB ,Ab , aB , ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person?

In Mirabilis jalapa when two F1 pink flowered plants were crossed with each other, the F2 generation produced 40 red, 80 pink and 40 white flowering plants. This a case of

A person with unknown blood group under ABO system has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend, who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend?

In T. H. Morgan"s Experiment on Drosophilia what will be the result when F1 female flies are crossed with double recessive male files?

ABO blood groups in humans are controlled by the gene I. It has three alleles - IA, IB and i . Since there are 3 different alleles, six different genotypes are possible. How many phenotypes occur?

Heterozygous tall plants were crossed with dwarf plants what will be the ratio of dwarf plants in the following progeny?

A cross between AaBB X aaBB yields a genotypic ratio of