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OtisamLMS
Biology

Biology · Quick practice · answer shown after each question

Monohybrid and dihybrid inheritance

Question 1 of 10

Question 1 of 10

Explain how sickle cell trait protects against malaria and why the allele persists.

Question 2 of 10

Question 2 of 10

A cross between an individual of unknown genotype and a homozygous recessive is a ___ cross.

Question 3 of 10

Question 3 of 10

A person with genotype IAi has blood group

Question 4 of 10

Question 4 of 10

The monohybrid F2 genotypic ratio is 1 : 2 : ___.

Question 5 of 10

Question 5 of 10

The F1 generation is the

Question 6 of 10

Question 6 of 10

An organism with two identical alleles for a trait is

Question 7 of 10

Question 7 of 10

A homozygous recessive shows the recessive phenotype.

Question 8 of 10

Question 8 of 10

Describe Mendel's experiment on seed shape and the conclusions he drew.

Question 9 of 10

Question 9 of 10

A heterozygous individual has two identical alleles.

Question 10 of 10

Question 10 of 10

Codominance is shown by

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.