Answer:
Option A, 1/64
Explanation:
The genotype of a carrier female would be Pp
The genotype of a carrier male would be Pp
When these two adults are crossed , the following offspring are produced
Pp x Pp
PP, Pp, Pp, pp
Thus out of four children 3 children have normal phenotype but two are carrier.
So probability of having one normal child (with genotype PP) is 
So the probability of three normal children is
Hence, option A is correct
Comparative and experimental investigations are two of three scientific investigations, the other is descriptive investigations.
--hope this helps--
I believe it’s a, as the waves increase the infrequently decreases
Answer:
2
Explanation:
the Earth settled out in to layers; crust, mantle, outer core, inner core
Answer:
Without Earth's magnetic field, solar winds — streams of electrically charged particles that flow from the sun — would strip away the planet's atmosphere and oceans. As such, Earth's magnetic field helped to make life on the planet possible, researchers have said.
Explanation:
Hope this helps.
