Get premium membership and access questions with answers, video lessons as well as revision papers.
i) . Breeding programmes (research)
•high yielding/hybrid vigour/heterosis
•resistance to diseases
•resistance to drought/salinity
•early maturing
ii. Genetic engineering
•genetic manipulation to produce desired characteristics
iii. Law
•legal questions of paternity knowledge of blood groups or blood transfusion.
iv) Genetic counseling
•aimed at reducing harmful traits e.g. albinism, congenital idiots, colour blindness e.t.c
v) Others
•Pre-sex determination
•understanding human evolution and origin of other species.
Anganifelix answered the question on April 17, 2018 at 13:02
- State the five major kingdoms into which all living organisms are classified (Solved)
State the five major kingdoms into which all living organisms are classified
Date posted: April 17, 2018. Answers (1)
- (i) what is gene mutation? (ii) Explain how the following occur during gene mutation (a) Deletion (b) Inversion (c) Insertion (d) Substitution iii) Name...(Solved)
Questions on gene mutation, form four biology
Date posted: April 17, 2018. Answers (1)
- State external features of plants used in classification(Solved)
State external features of plants used in classification.
Date posted: April 17, 2018. Answers (1)
- State the differences in plants and animals(Solved)
State the differences in plants and animals
Date posted: April 17, 2018. Answers (1)
- State the precautions During Collection and Observation of Specimen(Solved)
Precautions During Collection and Observation of Specimen
Date posted: April 17, 2018. Answers (1)
- Describe how to use a magnifying lens
(Solved)
Describe how to use a magnifying lens
Date posted: April 17, 2018. Answers (1)
- (i)Explain chromosomal mutation .(ii) Explain how the following types of chromosomal mutations occur. (a) Duplication (b) Inversion (c) Deletion (d) Translocation (e) Non-disjunction (f) Polyploidy (Solved)
(i)Explain chromosomal mutation .(ii) Explain how the following types of chromosomal mutations occur. (a) Duplication (b) Inversion (c) Deletion (d) Translocation (e) Non-disjunction (f) Polyploidy
Date posted: April 17, 2018. Answers (1)
- (i) What is mutation? (ii) Describe how mutations arise (iii) State the factors that may cause mutation (iv) State the characteristics of mutations (Solved)
(i) What is mutation? (ii) Describe how mutations arise (iii) State the factors that may cause mutation (iv) State the characteristics of mutations
Date posted: April 17, 2018. Answers (1)
- (i) What does the term linkage mean? (ii) Define the term sex-linked genes. (iii) what is meant by the term sex linkage? (iv) Name the...(Solved)
Definition, explanation and examples in biology form four questions.
Date posted: April 17, 2018. Answers (1)
- (i) What is a test cross? (ii) State the importance of a test cross in genetics. (iii) What are multiple alleles? (iv) Explain the inheritance...(Solved)
(i) What is a test cross? (ii) State the importance of a test cross in genetics. (iii) What are multiple alleles? (iv) Explain the inheritance...
Date posted: April 17, 2018. Answers (1)
- (i) What is meant by co-dominance? (ii) Give an example of co-dominance(Solved)
(i) What is meant by co-dominance? (ii) Give an example of co-dominance.
Date posted: April 17, 2018. Answers (1)
- What is complete dominance? (Solved)
Definition of complete dominance, biology form four question.
Date posted: April 17, 2018. Answers (1)
- What is monohybrid inheritance? (Solved)
What is monohybrid inheritance?
Date posted: April 17, 2018. Answers (1)
- (i)Explain the Mendels first law of inheritance. (ii) Give an example of this law(Solved)
(i)Explain the Mendels first law of inheritance. (ii) Give an example of this law
Date posted: April 17, 2018. Answers (1)
- Explain the following terms (a) Acquired characteristics (b) Inherited characteristics (c) Genotype (d) Phenotype (e) Dominant gene (character) ( f) Recessive gene (g) Homozygous (h) Heterozygous(Solved)
Explain the following terms (a) Acquired characteristics (b) Inherited characteristics (c) Genotype (d) Phenotype (e) Dominant gene (character) ( f) Recessive gene (g) Homozygous (h) Heterozygous
Date posted: April 17, 2018. Answers (1)
- Name the types of variation(Solved)
Name the types of variation.
Date posted: April 17, 2018. Answers (1)
- State the causes of variation in organisms(Solved)
State the causes of variation in organisms.
Date posted: April 17, 2018. Answers (1)
- Describe mechanism of ventilation in a bony fish(Solved)
Describe mechanism of ventilation in a bony fish
Date posted: April 16, 2018. Answers (1)
- Explain the meaning of the following terms. (a) Heredity (b) Trait (c) Gene (d) Allele (e) Chromosomes (f) DNA(Solved)
Explain the meaning of the following terms. (a) Heredity (b) Trait (c) Gene (d) Allele (e) Chromosomes (f) DNA
Date posted: April 15, 2018. Answers (1)
- What is blood transfusion?(Solved)
What is blood transfusion?
Date posted: April 15, 2018. Answers (1)