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 A - Unity & Diversity
Biology SL
Biology SL

Theme A - Unity & Diversity

Unveiling Chromosome Diversity From Plants To Animals

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

Table of content

Hey there future biologist! Grab a lab coat, and let's dive into the fascinating world of chromosomes. Imagine chromosomes as the recipe book of life, each having its own unique number of pages, and these pages are crucial in making you, a cabbage, or even a chimpanzee. Now, let's break this down into bite-sized, fun-to-read facts!

Chromosomes - what are they?

  • Chromosomes are like books inside cells that carry genetic information.
  • Each species has its own unique chromosome number (e.g., 46 in humans, 48 in chimpanzees, 18 in cabbages).
  • Imagine humans having 46 books of life while chimps have 48. Cool, right?

Changing chromosome numbers - evolution's twist

  • Rarely, the chromosome number can change within a species.
  • Decrease: If chromosomes fuse together, like merging two cookbooks into one big volume.
  • Increase: If chromosomes split, like cutting one book into two smaller parts.
  • Doubling: Yes, a whole 2-for-1 deal!
  • Real-world example: Yeast researchers reduced chromosomes from 16 to 4 or 2! But it didn't matter much, as long as all yeast cells had the same number.

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IB Resources
Theme A - Unity & Diversity
Biology SL
Biology SL

Theme A - Unity & Diversity

Unveiling Chromosome Diversity From Plants To Animals

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

Table of content

Hey there future biologist! Grab a lab coat, and let's dive into the fascinating world of chromosomes. Imagine chromosomes as the recipe book of life, each having its own unique number of pages, and these pages are crucial in making you, a cabbage, or even a chimpanzee. Now, let's break this down into bite-sized, fun-to-read facts!

Chromosomes - what are they?

  • Chromosomes are like books inside cells that carry genetic information.
  • Each species has its own unique chromosome number (e.g., 46 in humans, 48 in chimpanzees, 18 in cabbages).
  • Imagine humans having 46 books of life while chimps have 48. Cool, right?

Changing chromosome numbers - evolution's twist

  • Rarely, the chromosome number can change within a species.
  • Decrease: If chromosomes fuse together, like merging two cookbooks into one big volume.
  • Increase: If chromosomes split, like cutting one book into two smaller parts.
  • Doubling: Yes, a whole 2-for-1 deal!
  • Real-world example: Yeast researchers reduced chromosomes from 16 to 4 or 2! But it didn't matter much, as long as all yeast cells had the same number.

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 🌟