What were the genotypes

of the two plants crossed

in the F1 cross?

Three months after fertilization and development of a placenta around the developing fetus, the corpus luteum regresses and forms the

How many brain cells are in the human brain?

Which is a function of cyclins? A) Cyclins are carbohydrates that regulate DNA during the mitosis phase of the cell cycle. B) Cyclins are glycoproteins that repair DNA in the beginning of the cell ccle.

Environmental factors that increase or decrease genetic varaition

What is the nucleolus. A: the entire DNA found in a cell B: the membrane surrounding the nucleus C: a ball of fibers inside the nucleus D: an information organelle that makes protein

The greenhouse effect is related to the increase in average surface temperatures known as

Which of the following is true about spring tides but is not true about neap tides? they must occur during a new moon in spring they occur during the moon's first quarter and third quarter phases they only occur during a full moon they can occur

Animal cells are bathed in an isotonic fluid, and plant and bacteria cells have a cell wall. What does this protect the cell membrane from?

Explain why latin is the basic for many scientific names

What is incomplete penetrance and what causes it? incomplete penetrance means the heterozygote has an intermediate phenotype between the two homozygous phenotypes because of interactions with environmental factors.