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Gr12 Life Sciences Help

Gr 12 Life Sciences Help

Need help with your Life Sciences, here are some great videos you can watch to help you.

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DNA

Introduction to DNA structure
DNA Replication
Meiosis 1
Meiosis 2

Cross

Monohybrid cross
How to solve Pedigree diagrams
Dihybrid cross
Cloning
How to solve a Dihybrid cross
Pedigree Diagrams

Human Reproduction

Spermatogenesis
Menstrual Cycle
Oogenesis
Sex linked Genetic diagrams

Nervous system

Nervous system Introduction
Peripheral nervous system
Synapses
A Reflex arc

The eye and ear

How the eye functions
The Cochlea
Accommodation of the eye
The ear
Semicircular canals and the Utriculus and Sacculus

Protein Synthesis

Translation
Transcription

Natural Selection and Speciation

Natural Selection
Speciation
Darwinism and Natural selection
Variation an Lamarckism
Speciation and Reproductive isolation
Punctuated equilibrium and Speciation

The Endocrine system

The Endocrine system
Negative feedback

Evolution

Evolution and fossil evidence
Evolution Modification by descent and other forms of evidence
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