Which of the following is the correct F1 generation genotypic ratio from the dihybrid cross shown below? AABb x AABB
1:1
4:4:4:4
9:3:3:1
1:2:1

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.

What is required in the genotype of an individual to show a recessive trait? a.two recessive alleles b.at least one recessive allele c.no recessive alleles