The original mice that you cross are called the parent generation. The offspring from that cross are called the first Filial generation.
Answer:
If trice as in 3x then 5 years ago Mariam was 0 years old and Tolu was 10.
Explanation:
When Mariam is 0 years old( 5 years ago) then Tolu is 10. 5 years later Tolu is now 15 and Mariam is 5. Tolu is 3x older than Tolu.
Answer:
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