Biology SL
Biology SL
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Chapters
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Notes
Theme A - Unity & Diversity
Theme A - Unity & Diversity
Theme B - Form & Function
Theme B - Form & Function
Theme C - Interaction &  Interdependence
Theme C - Interaction & Interdependence
Theme D - Continuity & Change
Theme D - Continuity & Change
IB Resources
Theme D - Continuity & Change
Biology SL
Biology SL

Theme D - Continuity & Change

Unlocking ABO Blood Groups Medical Marvel

Word Count Emoji
510 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Introduction

Hey future Biologists! Today we're diving into the ABO blood group system, a fantastic example of multiple alleles. Why is it important? Well, if you've ever needed a blood transfusion (or even if you haven't), knowing about blood groups can literally be a lifesaver! 🚑

Key Concepts

Multiple Alleles 🧬

  • One gene but more than two forms (alleles).
  • For example, ABO blood group system has three alleles: IA, IB, and i.

Genotype vs Phenotype 👀

  • Genotype: The actual genetic makeup (IAIA, IBIB, IAi, etc.)
  • Phenotype: What's observable (blood group A, B, AB, or O)

ABO Blood Groups - Why So Crucial? 🚨

  • You have to match blood groups before transfusions.
  • If not, red blood cells can coagulate (clump together), which is a big NO-NO!

🌟 Real-world Example: Imagine you're making a smoothie. If you mix the right ingredients, it's delicious. If not, you'll end up with a chunky mess. The same goes for blood transfusion; the ingredients (blood types) must match!

The Magical Trio - IA, IB, and i 🎭

  • IA: Adds something called acetylgalactosamine to the glycoprotein in red blood cells.
  • IB: Adds galactose to the glycoprotein.
  • i: Does nothing to the glycoprotein, the lazy one in the group!

Superpowers or Weaknesses?

  • IA and IB are dominant over i.
  • IA and IB are codominant with each other.

🌟 Real-world Example: Think of IA and IB as strong siblings in a tug-of-war game who can easily defeat their little sibling "i." But when IA and IB compete against each other, it's a tie!

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IB Resources
Theme D - Continuity & Change
Biology SL
Biology SL

Theme D - Continuity & Change

Unlocking ABO Blood Groups Medical Marvel

Word Count Emoji
510 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Introduction

Hey future Biologists! Today we're diving into the ABO blood group system, a fantastic example of multiple alleles. Why is it important? Well, if you've ever needed a blood transfusion (or even if you haven't), knowing about blood groups can literally be a lifesaver! 🚑

Key Concepts

Multiple Alleles 🧬

  • One gene but more than two forms (alleles).
  • For example, ABO blood group system has three alleles: IA, IB, and i.

Genotype vs Phenotype 👀

  • Genotype: The actual genetic makeup (IAIA, IBIB, IAi, etc.)
  • Phenotype: What's observable (blood group A, B, AB, or O)

ABO Blood Groups - Why So Crucial? 🚨

  • You have to match blood groups before transfusions.
  • If not, red blood cells can coagulate (clump together), which is a big NO-NO!

🌟 Real-world Example: Imagine you're making a smoothie. If you mix the right ingredients, it's delicious. If not, you'll end up with a chunky mess. The same goes for blood transfusion; the ingredients (blood types) must match!

The Magical Trio - IA, IB, and i 🎭

  • IA: Adds something called acetylgalactosamine to the glycoprotein in red blood cells.
  • IB: Adds galactose to the glycoprotein.
  • i: Does nothing to the glycoprotein, the lazy one in the group!

Superpowers or Weaknesses?

  • IA and IB are dominant over i.
  • IA and IB are codominant with each other.

🌟 Real-world Example: Think of IA and IB as strong siblings in a tug-of-war game who can easily defeat their little sibling "i." But when IA and IB compete against each other, it's a tie!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Biology SL. Subscribe now and get closer to that 45 🌟