Answer/Explanation:
Two unaffected parents can have affected children, that means cystic fibrosis must be a recessive trait.
The two parents must each have one copy of the cystic fibrosis allele, but are themselves unaffected. By chance, the son (shaded) inherited both of these copies and is affected. The daughter either inherited one or zero copies of the cystic fibrosis allele, as she is unaffected.
True is the right answer. Have a good day
Answer:
B
Explanation:
When the sun shines evenly on Earth, both hemispheres are experiencing either fall or spring.
Earth orbits the Sun counterclockwise and in position A the southern hemisphere is experiencing summer, so if the options are in order, the southern hemisphere is experiencing spring in position B.
... I didn't see the picture when I wrote this answer, I still got it right though!