For a single gene, how many alleles do you get from each parent:

A sexually reproducing animal has two unlinked genes, one for head shape (H) and one for tail length (T). Its genotype is HhTt. Which of the following genotypes is possible in a gamete from this organism?

Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What fraction of the progeny of crosses BbTt × BBtt will be expected to have black fur and long tails?

If in a diploid organism two different alleles of a gene are both expressed in a heterozygous individual, the condition is termed:

What is an allele?

When the genotype consists of a dominant and recessive allele, the phenotype will be like:

What kind of Single Nucleotide Polymorphism is represented in the following diagram?

Mutations are important in evolution because:

A mutation that does not alter the resultant protein structure is called a:

Sickle-cell anaemia is a disease that affects red blood cells. It is the result of what kind of mutation?