Answer: tay sachs is autosomal recessive so you need 2 tt for someone to have it
One of each parents is a carrier Tt and the dark ones are tt and then the center 2 parents are both Tt and the circle in the bottom left would be TT
square on the r in the middle row can be anything same as the white square progeny of the same
Explanation:
There are different star systems. Binary star systems consist of two stars. Multiple star systems consist of two or more stars. The meaning of star system is "A small number of stars."
I think it's either A) a group of hundreds of stars, or B) a group of two or more stars. I would assume it's B), but i could be wrong.
Hope this helps!
Answer:
The correct answer is B
Explanation:
I hope this helps and I remember doing this