Trusted by millions of Kenyans
Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

(i) What is meant by co-dominance? (ii) Give an example of co-dominance

(i) What is meant by co-dominance? (ii) Give an example of co-dominance.

Answers


Felix
i) When genes produce independent effects when heterozygous/none of the genes is dominant over the other/where two or more alleles does not show complete dominance/recessiveness due to the failure of any allele to be dominate in a heterozygous condition.

ii) In a certain plant species, some individual plants may have only white, red or pink ?owers. In an experiment a plant with white ?owers was crossed with a parent with red ?owers. Show results of Fl generation. Use letter R for red gene and W for white gene.

If the plants form F1 were selfed, work out the phenotype ratio for the F2 generation Phenotypic ratio 1 red:2 pink: 1 white

Genotypic ratio 1:2:1
Anganifelix answered the question on April 17, 2018 at 11:10

Answer Attachments

Exams With Marking Schemes

Related Questions