Biology HL
Biology HL
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 HL
Biology HL

Theme D - Continuity & Change

Unlocking Genetic Diversity Explore Meiosis!

Word Count Emoji
479 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Imagine your wardrobe: you don't wear the same outfit every day, right? Similarly, our genes like to mix and match through a process called meiosis! Let's dive deep!

The Origin of Variation - Why Meiosis is the Real MVP

  • Meiosis and Genetic Diversity
    • How? Two awesome ways!
      • Random orientation of bivalents.
      • Crossing over.

Example: Think of two decks of cards - one from Mom and one from Dad. Each card is similar, but not exactly the same (like having two King cards, one red and one black). Now, imagine shuffling these cards in unpredictable ways. That's meiosis for you!

Unpacking the Meiosis Toolbox

  • Homologous Chromosomes
    • Definition: Paired chromosomes, one from Mom and one from Dad.
    • They've got the same lineup of genes, but with potential different versions, or alleles.

Real World Parallel: It's like having two chocolate chip cookie recipes. One might use dark chocolate (from Mom) while the other uses milk chocolate (from Dad). Same cookie idea, different flavors!

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

Theme D - Continuity & Change

Unlocking Genetic Diversity Explore Meiosis!

Word Count Emoji
479 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Imagine your wardrobe: you don't wear the same outfit every day, right? Similarly, our genes like to mix and match through a process called meiosis! Let's dive deep!

The Origin of Variation - Why Meiosis is the Real MVP

  • Meiosis and Genetic Diversity
    • How? Two awesome ways!
      • Random orientation of bivalents.
      • Crossing over.

Example: Think of two decks of cards - one from Mom and one from Dad. Each card is similar, but not exactly the same (like having two King cards, one red and one black). Now, imagine shuffling these cards in unpredictable ways. That's meiosis for you!

Unpacking the Meiosis Toolbox

  • Homologous Chromosomes
    • Definition: Paired chromosomes, one from Mom and one from Dad.
    • They've got the same lineup of genes, but with potential different versions, or alleles.

Real World Parallel: It's like having two chocolate chip cookie recipes. One might use dark chocolate (from Mom) while the other uses milk chocolate (from Dad). Same cookie idea, different flavors!

Unlock the Full Content! File Is Locked Emoji

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