Genetic Disorders
Chapter Name : Principles Of Inheritance And Variation |
Sub Topic Code : 103_12_05_06_03 |
Topic Name : Genetic Disorders |
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Sub Topic Name : Chromosomal Disorders |
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Introduction
Chromosomal disorder reflects an atypical number of chromosomes or a structural abnormality in one or more chromosomes
Pre-Requisites:
What are genetic disorders?
Activity:
Check the diagrammatic presentation for different types of diseases
Real Life Question:
How are these disorders different from other diseases?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| ANEUPLOIDY POLYPLOIDY | Failure of segregation of chromatids during cell division cycle results in the gain or loss of a chromosome(s) Failure of cytokinesis after telophase stage of cell division results in an increase in a whole set of chromosomes in an organism. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| How is down syndrome identified? | Chromosomal disorders are identified through karotype |
Places to visit :
Biology laboratory
Practical examples around us
| Examples | Explainations |
|---|---|
| Look for symptoms in the affected person |
What you learn in Theory:
What are chromosomal disorders?
What you learn in Practice:
How these disorders have an impact on organisms