In which plants' life cycle does double fertilization occur? a. seedless plants b. nonvascular plants c. gymnosperm plants d. angiosperm plants

The seagulls and pelicans have what type of egg production?

In sheep, eye color is controlled by a single gene with two alleles. When a homozygous brown-eyed sheep is crosses with a homozygous green-eyed sheep, blue-eyed offspring are produced.

The nitrogen bases in DNA are held together by? A. DNA Bonds B. Ionic Bonds C. Hydrogen Bonds D. Covalent Bonds

Why does cell division remain important to an adult organism even after it's fully developed

What is meant by the genetic code being nearly universal?

T or f Active immunity is passed on from a mother to her baby.

The scientific theory that describes the beginning of the Universe is called the Expanding Universe Theory Contracting Universe theory Big Bang Theory Oscillating Universe Theory

Chemicals that kill bacteria or slow their growth are called

Which of these hormones prods the thyroid gland to release thyroxine?

A heart attack can be caused by blood clots blocking the arteries and veins of the heart. Which of the following would indicate that a heart attack might have some genetic basis?