Disorders inherited according to Mendel's laws of inheritance are called:

Select the correct statement regarding colour blindness.

$A$ normal woman, whose father was an albino, marries an albino man. What is the expected proportion of normal and albino children in their offspring?

With the help of the given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in the $F_3$ generation.

Testing for $\beta$-thalassemia should be done before marriage.

Study the given pedigree chart and select the correct option for the given questions.
$(1)$ Is the trait recessive or dominant?
$(2)$ Is the trait sex-linked or autosomal?