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The DNA of a rose has evolved over millions of years. Scientists use the Boyce Thompson Institute to map how roses went from simple wild blooms to the thousands of types you see today. [1, 2]
Before: Wild Roots
- Early roses started in Asia millions of years ago.
- Their DNA only allowed them to bloom once a year, usually in the spring.
- These first roses were likely yellow and had a single layer of petals. [1, 2, 3, 4]
Now: Modern Gardens
- Humans crossed wild roses with Asian roses that bloom many times.
- Scientists have mapped out the rose’s genes. This helps to understand which genes control petal color, smell, and continuous blooming.
- For example, a single mutation of the RoKSN-copia gene is what makes modern roses bloom again and again. [1, 2, 3, 4, 5]
After: The Future of Roses
- Scientists use new tools to edit rose DNA.
- The goal is to create roses that never get sick and need less water.
- Researchers are even trying to create true blue roses by borrowing genes from other flowers. [1, 2, 3, 4, 5]
If you want, let me know:
- Would you like to know how hybridization mixes DNA?
- Are you curious about the specific gene that makes a rose smell sweet?