Draw a Punnett square for each of the gene crosses listed below. Then list the offsprings’ genotypes. (3 points each) 7) Rr and rr
8) HH and hh
9) Aa and Aa

Pls help

right

explanation:

air quality

poor drinking water

and heavy polution

can lead to poor health

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.