What allele combination would be found in gametes whose genotype is TtRr

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Aplant may open end close its stomata to prevent excess water loss and maintain

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?