Biology SL
Biology SL
4
Chapters
553
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 Epigenesis Decipher Developmental Patterns

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

Table of content

What's The Big Idea? 🤓

Epigenesis is like the director's cut of your life movie! It's how you go from being a generic cell to specialized cells, all to build a multicellular organism—like YOU! Imagine if you started your life as a blank canvas, and then gradually, you add colors, shapes, and textures to become a masterpiece; that's epigenesis.

Key Terms 🚀

  • Epigenesis: How undifferentiated cells in a multicellular organism transform into specialized cells.
  • Differentiation: The process by which a cell becomes specialized for a certain function.
  • Genes: Segments of DNA responsible for a specific function.
  • Genotype: The genetic makeup.
  • Phenotype: Physical characteristics or traits.
  • Epigenetic Tags: The special 'stickers' that alter gene function without changing the DNA sequence.

Was Born This Way... Or Was? 🎬

Differentiation: At first, we're all a blob of unspecialized cells, like dough waiting to become cookies, pizza, or bread. How these cells become specialized is through differentiation, deciding which 'recipe' to follow.

 

🌍 Real-world Example: Think of a Swiss Army knife. Every tool has a unique function, just like how your cells specialize in doing different jobs—some become brain cells, while others turn into muscle cells!

Genes Got Talent 🎬

Activation & Deactivation: Genes getting turned "on" or "off" is like a talent show where only certain talents are spotlighted, while others are muted. This is achieved through chemical changes.

 

🌍 Real-world Example: Imagine your phone's playlist. Some songs (genes) are on repeat (activated), while others are skipped or muted (deactivated).

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

Theme D - Continuity & Change

Unlocking Epigenesis Decipher Developmental Patterns

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

Table of content

What's The Big Idea? 🤓

Epigenesis is like the director's cut of your life movie! It's how you go from being a generic cell to specialized cells, all to build a multicellular organism—like YOU! Imagine if you started your life as a blank canvas, and then gradually, you add colors, shapes, and textures to become a masterpiece; that's epigenesis.

Key Terms 🚀

  • Epigenesis: How undifferentiated cells in a multicellular organism transform into specialized cells.
  • Differentiation: The process by which a cell becomes specialized for a certain function.
  • Genes: Segments of DNA responsible for a specific function.
  • Genotype: The genetic makeup.
  • Phenotype: Physical characteristics or traits.
  • Epigenetic Tags: The special 'stickers' that alter gene function without changing the DNA sequence.

Was Born This Way... Or Was? 🎬

Differentiation: At first, we're all a blob of unspecialized cells, like dough waiting to become cookies, pizza, or bread. How these cells become specialized is through differentiation, deciding which 'recipe' to follow.

 

🌍 Real-world Example: Think of a Swiss Army knife. Every tool has a unique function, just like how your cells specialize in doing different jobs—some become brain cells, while others turn into muscle cells!

Genes Got Talent 🎬

Activation & Deactivation: Genes getting turned "on" or "off" is like a talent show where only certain talents are spotlighted, while others are muted. This is achieved through chemical changes.

 

🌍 Real-world Example: Imagine your phone's playlist. Some songs (genes) are on repeat (activated), while others are skipped or muted (deactivated).

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 🌟