It is proper to put the allele before a recessive allele when determining the genotype of the offspring in a Punnett square.

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring