Answer: If there are 52 chromosomes then 51 chromosomes are autosomal and 1 pair will be sex related.
It is valid in diploid condition.
Explanation:
Answer:
I'm not too sure specifically for 9th grade. Though I am in 12th grade right now and currently using the Edrolo biology textbook which is solely based on the key dot points/skills for the entire subject. They also include past exam questions or similar exam style questions both multiple choice and short answer for each topic and chapter within the book.
Explanation:
The launch of a rocket into space involves an excessive amount of fuel, so scientists are continuously researching new measures to make flight more efficient. This involve new types of petrol, new technologies, and structures that are more aerodynamic. Securely flying. I hope this helps. -hafsa
Answer:
D
Explanation:
Fire is man made because for there to be fire you have to strike a match or use other man made sources
