In german shepherds the allele for brown coat color (B) is dominant over the allele for a black coat color (b). If a black german shepherd is crossed with a heterozygous brown german shepherd, which of the following genotypic ratios can be expected? I need the answer ASAP​

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino