Principles of I...

$$\alpha$$-1 Antitrypsin is _________________.

In the following pedigree chart, the mutant trait is shaded black. The gene responsible for the trait is

Choose the correct answer from the alternatives given.
Study the pedigree chart of a family showing the inheritance of sickle-cell anemia.
The trait traced in the above pedigree chart is

In humans, polydactyly (i.e, presence of extra fingers and toes) is determined by a dominant autosomal allele (P) and the normal condition is determined by a recessive allele (p). Find out the possible genotypes of family members 1, 2 and 3 in the given pedigree.

Study the given pedigree chart for sickle-cell anaemia and select the most appropriate option for the genotypes. 

In sickle-cell anaemia, shape of RBC's under oxygen tension becomes ____________________.

An individual affected by phenylketonuria lacks an enzyme that converts the amino acid ______ into ______

Given pedigree chart depicts the inheritance of attached ear lobes, an autosomal recessive trait.
Which of the following conclusions drawn is correct?

Study the pedigree chart of a family showing the inheritance of myotonic dystrophy.
The trait under study is

It is said that Mendel proposed that the factor controlling any character is discrete and independent. His proposition was based on the