Explain how each cell in a child gets one copy of each gene from his/her mother and another copy of each gene from his/her father, include the following terms: meiosis, haploid, gametes, egg, sperm, pair of homologous chromosomes, gene, fertilizes or fertilization, diploid, zygote, DNA replication, and mitosis.

Which is true of the regious near earth equator

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.