MCQs of Biology – Alleles

When a gene exists in more than one form are termed:

Pair of contrasting characters controlling the same trait is called:

Alleles are :

Alleles of a gene are found on:

Which statement about alleles is not true?

A gamete normally contains:

An allele is dominant if it is expressed in:

An allele is recessive if it is expressed only in:

When an allele fails to express itself in the presence of another , the former is said to be:

A recessive mutant is one which is:

Whether an allele is dominant or recessive depends on:

The contrasting pairs of factors in Mendelian crosses are called:

The term” allelomorphic” implies:

When two genetic loci produce identical phenotypes in cis and trans position they are considered to be: