Biology HL
4
Chapters
553
Notes
Theme A - Unity & diversity
Theme B - Form & Function
Theme C - Interaction & Interdependence
Theme D - Continuity & Change
Biology HL
Theme D - Continuity & Change
Unlock Secrets Monzygotic Twins Studies!
366 words
2 mins read
Last edited on 5th Nov 2024
Table of content
Understanding Twins - Fraternal vs. Identical 👫
Types of Twins
- Dizygotic Twins (Fraternal)
- Two eggs + Two sperms = Two different babies
- 50% genetic similarity, just like regular siblings
- 🛍️ Real-world example: Think of them as two items from the same store, but different products!
- Monozygotic Twins (Identical)
- One egg + One sperm = One embryo ➡️ splits ➡️ Two identical babies
- 100% genetic similarity
- 🐱 Real-world example: If fraternal twins are two different cat breeds, identical twins are clone kittens!
Fun Fact
You've got a 1 in 250 shot at having identical twins during a pregnancy! 🎲
Why Study Monozygotic Twins? 🤔
Unlock the Full Content! 
Dive deeper and gain exclusive access to premium files of Biology HL. Subscribe now and get closer to that 45 🌟
Biology HL
Theme D - Continuity & Change
Unlock Secrets Monzygotic Twins Studies!
366 words
2 mins read
Last edited on 5th Nov 2024
Table of content
Understanding Twins - Fraternal vs. Identical 👫
Types of Twins
- Dizygotic Twins (Fraternal)
- Two eggs + Two sperms = Two different babies
- 50% genetic similarity, just like regular siblings
- 🛍️ Real-world example: Think of them as two items from the same store, but different products!
- Monozygotic Twins (Identical)
- One egg + One sperm = One embryo ➡️ splits ➡️ Two identical babies
- 100% genetic similarity
- 🐱 Real-world example: If fraternal twins are two different cat breeds, identical twins are clone kittens!
Fun Fact
You've got a 1 in 250 shot at having identical twins during a pregnancy! 🎲
Why Study Monozygotic Twins? 🤔
Unlock the Full Content!
Dive deeper and gain exclusive access to premium files of Biology HL. Subscribe now and get closer to that 45 🌟