Answer:
A - 3:1
Explanation:
In order to determine what number of offspring will have attached earlobes, we must make a Punnett table. We know that attached earlobes are the dominant gene, and we know unattached earlobes are recessive.
| P | p
——————-
P | PP | Pp |
——————-
p | Pp | pp |
As we can see, only one out of the four squares has two recessive genes. Therefore, our answer would be A - 3:1.
Answer:
respiration
Explanation:
HOPE THAT THIS IS HELPFUL.
HAVE A GREAT DAY.
The function of a plant's cambium layer is to <span>produce new cells.</span>
She would find oxygen (O2) in the test tube because plants give off oxygen
The correct answer is C. To block UV radiation. Ozone filters the majority of UV spectra, so it protects organisms from its effects.