What happens before sexual reproduction to ensure a zygote is diploid?

Black is dominant over white in the coat color of guinea pigs. Assume that a cross is made between a hybrid male black guinea pig (Bb) and a hybrid female black guinea pig (Bb). B = gene for black; b = gene for white.

Why is it important to form a hypothesis before experiments are conducted?

How are the codes (chemical formulas) for elements different than those for compounds?

Which process is involved when solar energy warms the surface of earth? A conduction, B convection, c radiation, D reflection

Approximately how many different amino acids are used in the synthesis of body proteins

Humans do not eat the algae directly from the ocean, so how can we still be affected by it?

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are considering the use of cholera vaccines. One difficulty they are facing is the limited vaccine supply.

which term refers to the structure that forms the surface of a cell separeting its conctents from the outside world

Who explored Texas, New Mexico, and Arizona in 1528, while lost for nine years? A) Hernando de Soto B) Francisco Vasquez de Coronado C) Cabeza de Vaca D) Juan Ponce de Leon

The part of the livestock female reproductive system that is between the infundibulum and the uterus and is also called the fallopian tube is the: