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Well Researched Form 4 Biology Notes

Institution: Secondary

Course: Biology

Content Category: Form 4 Notes

Posted By: Drezline

Document Type: PDF

Number of Pages: 63

Price: KES 300
 
    

Views: 837     Downloads: 2

Summary

Well researched, explicit, and summarized form 4 notes that are designed to help learners master the key concepts in Biology and build their understanding in Biology studies.

By the end of form two work, the learner should be able to:
? Define the term genetics
? Differentiate between heredity and variation
? Distinguish between continuous and discontinuous variations
? Describe continuous and discontinuous variations
? Observe variations in plants and animals
? Describe the structure, nature and properties of chromosomes
? Describe the structure, nature and properties of DNA molecule
? Differentiate between DNA and RNA
? Distinguish between F1 and F2 generation
? Determine Mendel’s first law of inheritance
? Define other terms used in inheritance such as phenotype, genotype, dominant gene, recessive gene, haploid and diploid
? Demonstrate monohybrid inheritance in plants and animals
? Predict outcomes of various genetic crosses
? Construct and make use of pannet squares
? Work out genotypic and phenotypic ratios
? Predict outcomes of various crosses
? Determine the unknown genotypes in a cross using a test cross
? Describe albinism as an example of monohybrid inheritance in human beings
? Explain the inheritance of ABO blood groups in human beings
? Explain the inheritance of rhesus factor as an example of monohybrid inheritance in human beings
? Predict the inheritance of blood groups human beings
? Describe incomplete dominance
? Describe inheritance of colour in flowers of mirabilis jalapa
? Describe Inheritance of sickle cell anemia in human beings
? Explain how sex is determined in human beings
? Describe sex linkages in human beings
? Define linkage and sex-linkage
? Describe linkage in human beings e.g.colour blindness and hemophilia
? Describe colour blindness as an example of sex-linked trait in human beings
? Interpret pedigree of inheritance
? Describe the Inheritance of hemophilia as an example of sex-linked traits in human beings
? Define mutation
? Differentiate between mutations and mutagens
? List down causes of mutations
? State the types of mutations
? List down the various chromosal mutations
? Describe chromosal mutations
? Explain the Effects of chromosal mutations
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