I think the anser is d that what i think Is
The answer is A i hope thats helpful
This means that each dominant allele "adds" to the expression of the next dominant allele. Usually, traits are polygenic when there is wide variation in the trait. For example, humans can be many different sizes. Height is a polygenic trait, controlled by at least three genes with six alleles.
They produce narrow-band high-frequency sound to help them navigate in water. These high-frequency sounds are used in echolocation. Echolocation is used to identify and locate prey and also avoid the predators. Marine mammals like whales and dolphin use echolocation in different manners.
P Waves are compressional and the fastest moving seismic wave
S waves are slower than P waves and they can only travel through solid rock. S waves move the particles it pushes through up and down or side to side.