its like a twisted ladder or a double helix
how stuff works dot com
Answer: Healthy.
Explanation:
An environment is said to be healthy when it has all the components such as parks, forests, houses, trees, schools contribute favorably to the people that living the environment.
Human beings needs food, shelter and better quality of life. These are the basic needs of human beings and hen it is full filled it means that they are having a healthy environment to live in.
here are a few. frogs, snakes,toucans ,lizards
I think your question all turn into lowercases, uppercases, and lowercases are important in genetics because it can differentiate between the dominant and recessive forms.
let me explain at least how to calculate the offspring percentage:
for example, you have Rr crossed with another Rr (R for wrinkled peas and r for smooth peas), you just have to match between the four letters, and you will have four possibilities:
R and R
R and r
r and R
r and r
you will have RR, Rr, Rr, and rr
if we convert into percentages, it will give:
25% RR
50% Rr (there's two Rr so 25 + 25)
25% rr
The answer for this one is b) Looping of DNA
