Helpdesk: WhatsApp: 0736552548 Email: info@kenyaplex.com

Form 4 Biology Notes

Institution: Secondary Level

Course: Biology

Content Category: Form 4 Notes

Posted By: oriango

Document Type: PDF

Number of Pages: 51

Price: KES 290
 
    

Views: 5791     Downloads: 6

Summary

Shortened notes for students and teachers. This document contains ready to use notes for form 4 class.

Brief Overview:

1. a) i) Define the term genetics
- the study of heredity(inheritance) and variation or study of mechanisms by which characteristics are passed from parents to offspring
iii) List some characteristics which are inherited
- size
- height/length
- colour/type
- shape
- yield
iii) State the importance of genetics
- helps to explain differences between organisms of the same species
- helps to explain the transmission of characters from generation to generation
- improvement in livestock
- improvement in crops
- can be used to treat some difficult diseases
b) i) Explain the meaning of the following terms
Heredity
- the resemblance among individuals related by descent
- transmission of traits from parents to offspring
Trait
- also called character
- A character of the organism e.g. type of ear, colour of eyes, height, yield etc.
Gene
- unit of inheritance
- it is the heredity factor which transmits traits from parents to offspring
- genes are located at fixed points on chromosomes
- each point is called a locus (loci)
Allele
- genes can exist in a series of alternative forms at a particular locus
- allele refers to alternative forms of genes controlling a particular characteristic
..................................


Below is the document preview. Purchase to access the complete document.

  • 460_0.jpg
  • 460_1.jpg
  • 460_2.jpg
  • 460_3.jpg
........

This is the end of this document preview. Buy to download the complete document.


More Resources


  • Form 4 Physics Notes: Floating and Sinking Summary

    Summary notes for floating and sinking.

    Price: KES :  50

     
  • Form 4 History and Government Notes

    Best summarized Notes for easy learning. Form 4 History and Government Notes. Brief Overview: INTRODUCTION The World War I was the 1st total war involving almost all world countries directly or...

    Price: KES :  300

     
  • Form 4 Biology Notes

    Shortened notes for students and teachers. This document contains ready to use notes for form 4 class. Brief Overview: 1. a) i) Define the term genetics - the study of heredity(inheritance) and...

    Price: KES :  290

     
  • Form 4 Geography Notes

    Very nice notes for students and also teachers teaching form 4 class. Brief snippet LAND RECLAMATION Land reclamation is the process of converting wasteland into farm land for growing of crops...

    Price: KES :  200

     
  • Form 4 Kiswahili Notes: Kuongeza Msamiati Wa Kiswahili

    Brief Overview: Uundaji wa Maneno Lugha hukua na kubadilika kila wakati kulingana na maendeleo ya jamii. Kigezo kimojawapo cha kukua na kubadilika kwa lugha ni kuongezeka kwa msamiati....

    Price: KES :  290

     
  • Form 4 Physics Notes: Detailed Notes for Students and Teachers

    Shortened Notes for Physics Form 4. Short Snippet PHYSICS FORM FOUR CHAPTER ONE THIN LENSES. A lens is conventionally defined as a piece of glass which is used to focus or change...

    Price: KES :  290

     
  • Form 4 CRE Notes

    Comprehensive notes for CRE Form 4 Brief Overview CONTEMPORARY CHRISTIAN LIVING Form four work deals with social issues in society. We shall compare the issues in the following communities –...

    Price: KES :  290

     
  • Form 4 History and Government Notes: Simplified notes for teachers and students

    Simplified Notes for teaching History and Government in form 4. Comprehensive notes for use by both teachers and students. Brief Overview: World War I World War I or the First World War was a...

    Price: KES :  290

     
  • Form 4 Chemistry Notes on Energy Changes

    Shortened Notes for teaching Chemistry in form 4. These notes are suitable for use by both students and teachers. Brief Overview: 1. Introduction to Energy changes Energy is the capacity to do...

    Price: KES :  290

     
  • Form 4 Agriculture Notes

    Looking for Agriculture notes Form 4? This document contains high quality and detailed notes for both teachers and students. You can download for your use. Brief Overview: Livestock Production...

    Price: KES :  290

     
  • CRE Notes for Form 1 to Form 4

    C.R.E NOTES 1-4, is a complete summary of the C.R.E secondary school syllabus from form 1 to form 4. It has main points and explanations that will help the reader to understand and revise his or her...

    Price: KES :  50

     
  • English composition writing notes for Form 1 to Form 4

    The document contains formats of different types of composition with example for each. Brief Introduction: FUNCTONAL WRITING Functional writing is a practical and lifelong skill that requires one...

    Price: KES :  200

     
  • Business Studies Form 1 to Form 4 Notes

    Complete business studies Form 1 to Form 4. Best notes for teachers and students. Brief Overview: INTRODUCTION TO BUSINESS STUDIES Objectives: By the end of the topic, the learner should be...

    Price: KES :  70

     
  • Agriculture Notes Form 1, Form 2, Form 3, Form 4

    Revision notes agriculture from form 1, form 2, form 3 and form 4. Detailed and high quality. Brief Overview: a). What is Agriculture? The art and Science of crop and livestock production. b)....

    Price: KES :  120

     
  • Form 4 Betrayal in the City Notes

    An analysis of Betrayal in the City by Francis Imbuga. Brief Overview: About the play Betrayal in the City. The play is a story of a post independent African country that had the misfortune of...

    Price: KES :  0

     
  • Kiswahili Form 1, Form 2, Form 3 and Form 4 Notes

    Kiswahili revision notes form 1, form 2, form 3 and form 4. Brief Overview: INSHA - Utungo unaoundwa kwa mfululizo wa sentensi zinazozungumzia jambo, tukio au kitu fulani Aina 1. INSHA ZA...

    Price: KES :  120

     
  • Geography Notes Form 1 to Form 4

    This document contains Geography revision notes for Form 1, Form 2, Form 3 and Form 4. Brief Overview: The meaning of Geography • Scientific study of the earth as a home of man. • Study of...

    Price: KES :  120

     
  • 2024 Isimu Jamii Notes Form 1, Form 2, Form 3, Form 4

    Download 2024 new updated kiswahili isimu jamii notes from form one to form four. Isimujamii - Ni taaluma inayochunguza uhusianouliopo baina ya lugha na jamii. Hasa hushughulikia jinsi watu...

    Price: KES :  110

     
  • Agriculture Notes: Form 1 to Form 4

    1.2.1 Definition of agriculture 1.2.2 Branches of agriculture Crop-farming (Arable farming) i) Field crops ii) Horticulture - Floriculture (flower farming) -...

    Price: KES :  200

     
  • Form 4 English Notes

    This document contains Form 4 English notes suitable for both teachers and students. Brief Overview: Features of Oral Poetry Oral poetry has the following features: 1. It is composed and...

    Price: KES :  300

     
  • English Functional Writing Notes Form 1, Form 2, Form 3 and Form 4

    English Functional Writing Notes Form 1 to Form 4. Brief Overview: Pre-requisites i. A computer ii. A telephone line connected to the computer iii. An internal or external modem(an electronic...

    Price: KES :  300

     
  • Form 4 Computer Studies Notes - All Chapters

    Form 4 Computer Studies Notes - All Chapters. Table of contents 1. Introduction to networking and data communication 2. Application areas of information and communication technology (ICT) 3....

    Price: KES :  300

     
  • Form 4 Computer Studies Notes Chapter 1 - Introduction to Networking and Data Communication

    Form 4 Computer Studies Chapter 1 - Introduction to Networking and Data Communication Notes. Computer network ? It’s a collection of computers linked together using transmission media for the...

    Price: KES :  100

     
  • Form 4 Computer Studies Chapter 2 - Application Areas of Information and Communication Technology (ICT) Notes

    Form 4 Computer Studies Notes Chapter 2 - Application Areas of Information and Communication Technology (ICT) Reservation systems ? This are distributed networked systems that are used mainly to...

    Price: KES :  100

     
  • Form 4 Computer Studies Chapter 3 - Impact of Information and Communication Technology (ICT) on The Society Notes

    Form 4 Computer Studies Notes For Chapter 3 - Impact of Information and Communication Technology (ICT) on The Society Introduction ? An impact is a positive or negative effect. Information and...

    Price: KES :  100

     
  • Form 4 Computer Studies Chapter 4 - Career Opportunities in Information and Communication Technology (ICT) Notes

    Form 4 Computer Studies Notes For Chapter 4 - Career Opportunities in Information and Communication Technology (ICT) Introduction ? ICT has created new job titles. Some of the computer career...

    Price: KES :  100

     
  • Form 4 Home Science Notes

    This document contains high quality notes for Home Science Form 4. The notes are suitable for teachers and students. Brief Overview: Care of the Sick at Home Care of the sick at home is also...

    Price: KES :  300

     
  • Form 4 IRE Notes

    This document contains high quality IRE notes Form 4 for teachers and students. Answer the following questions and activity in your I.R.E revision exercise books. 1. a) Outline the early life of...

    Price: KES :  300

     
  • Kiswahili Lugha Notes Form 1 to Form 4

    Yaliyomo: Sarufi: matumizi ya lugha 2 Maana ya sarufi 2 Vipashio vya lugha 2 Sehemu a : aina za maneno 3 1) nomino (n) 3 2) viwakilishi (w) 4 3) vitenzi (t) 7 4) vivumishi (v) 9 5) vielezi...

    Price: KES :  200

     
  • Business Studies Notes Form 1 to Form 4

    This document contains lesson notes for business studies for Form 1, Form 2, Form 3 and Form 4. contains objectives for every topic. Well researched and organized lesson notes. BUSINESS STUDIES...

    Price: KES :  100

     

More Content By oriango


  • Form 4 Geography Notes

    Very nice notes for students and also teachers teaching form 4 class. Brief snippet LAND RECLAMATION Land reclamation is the process of converting wasteland into farm land for growing of crops...

    Price: KES :  200

     
  • Form 3 Geography Notes

    These notes are detailed, high quality and comprehensive. The form 3 notes are ready to use by students as well as teachers. Brief Overview: Advantages 1. Its easy to construct 2. It has good...

    Price: KES :  290

     
  • Form 1 Kiswahili Notes

    This document contains Kiswahili notes which are suitable for both students and teachers. Brief Overview: MAWASILIANO Katika mada hii unatarajiwa kuelewa fasili ya mawasiliano na jinsi mchakato...

    Price: KES :  290

     
  • Form 2 Kiswahili Notes

    Shortened notes for teaching Form 2 Kiswahili. Detailed and comprehensive notes. Brief Overview: UUNDAJI WA MANENO Uundaji wa maneno ni ujenzi au uzalishaji au utengenezaji wa maneno mapya....

    Price: KES :  290

     
  • Form 3 Kiswahili Notes

    This document contains Kiswahili notes for form 3. Can be used by both teachers and students. KIDATO CHA TATU NGELI ZA NOMINO Kuzielewa ya Ngeli Upatanishi wa Kisarufi katika Sentensi Fafanua...

    Price: KES :  290

     
  • Form 4 Kiswahili Notes: Kuongeza Msamiati Wa Kiswahili

    Brief Overview: Uundaji wa Maneno Lugha hukua na kubadilika kila wakati kulingana na maendeleo ya jamii. Kigezo kimojawapo cha kukua na kubadilika kwa lugha ni kuongezeka kwa msamiati....

    Price: KES :  290

     
  • Form 1 Physics Notes for students and teachers

    FORM ONE CHAPTER ONE INTRODUCTION TO PHYSICS Science in our lives Scientists are people trained in science and who practice the knowledge of science. We require people in industries to work as...

    Price: KES :  290

     
  • Form 2 Physics Notes

    FORM TWO CHAPTER ONE MAGNETISM Introduction Magnets are substances that are able to attract and hold items. Lodestone is the only known natural magnet which was discovered by the Chinese 2,000...

    Price: KES :  290

     
  • Form 3 Physics Notes for Students and Teachers

    Shortened Notes for Form 3 Physics. Brief Snippet PHYSICS FORM THREE CHAPTER ONE LINEAR MOTION Specific Objectives By the end of the topic the learner should be able to: a) Define...

    Price: KES :  290

     
  • Form 4 Physics Notes: Detailed Notes for Students and Teachers

    Shortened Notes for Physics Form 4. Short Snippet PHYSICS FORM FOUR CHAPTER ONE THIN LENSES. A lens is conventionally defined as a piece of glass which is used to focus or change...

    Price: KES :  290

     
  • Form 1 CRE Notes

    Shortened notes for CRE Form 1 Brief overview FORM ONE CHRISTIAN RELIGIOUS EDUCATION INTRODUCTION What is Christian Religious Education? A Christian religious study as a subject is taught...

    Price: KES :  290

     
  • Form 2 CRE Notes

    THE BACKGROUND OF LUKE’S GOSPEL Who is Luke? - Luke was a doctor (Physician) by profession. This is brought out in Paul’s letter to Colossians (Col 4:14). - He accompanied Paul in most of his...

    Price: KES :  290

     
  • Form 3 CRE Notes

    This document contains detailed, high quality and comprehensive CRE notes for Form 3. The notes are very useful to both students and teachers. Brief Overview: FORM THREE SELECTED TEACHINGS FROM...

    Price: KES :  290

     
  • Form 4 CRE Notes

    Comprehensive notes for CRE Form 4 Brief Overview CONTEMPORARY CHRISTIAN LIVING Form four work deals with social issues in society. We shall compare the issues in the following communities –...

    Price: KES :  290

     
  • Form 1 History and Government Notes

    Simplified Notes for teaching History and Government in Form 1. Brief Overview INTRODUCTION TO HISTORY AND GOVERNMENT THE MEANING OF HISTORY History is an account of events that took place in...

    Price: KES :  290

     
  • Form 2 History and Government Notes: Simplified and Comprehensive

    Form 2 History and Government Notes: Simplified and Comprehensive: This document contains comprehensive and high quality notes for History and Government Form 2. Brief...

    Price: KES :  290

     
  • Form 3 History Notes

    Simplified Notes for teaching History and Government in Form 3. These notes are suitable for use by both teachers and students. Brief Overview: 1. EUROPEAN INVASION AND THE PROCESS OF...

    Price: KES :  290

     
  • Form 4 History and Government Notes: Simplified notes for teachers and students

    Simplified Notes for teaching History and Government in form 4. Comprehensive notes for use by both teachers and students. Brief Overview: World War I World War I or the First World War was a...

    Price: KES :  290

     
  • Form 1 Chemistry Notes

    This document contains shortened and high quality notes for teaching Chemistry in form 1. They are suitable for use by both teachers and students.

    Price: KES :  290

     
  • Form 4 Chemistry Notes on Energy Changes

    Shortened Notes for teaching Chemistry in form 4. These notes are suitable for use by both students and teachers. Brief Overview: 1. Introduction to Energy changes Energy is the capacity to do...

    Price: KES :  290

     
View all resources