An allele is

A. another word for a gene

B. a homozygous genotype

C. a heterozygous genotype

D. A variant form of a gene

How could you determine whether in unknown substance is a mineral?

The ventral root is associated with which action of a reflex arc

What are the levels of taxonomy

pair of identical chromosomes (chromosomes that contain the same genes) from each parent, which all organisms produced by sexual reproduction receive

Why do you think some people still become ill even after taking strong precautions against an illness, such as receiving a vaccine?

What process beaks the strong bond between atoms in the nitrogen molecule?

If there is a mutation in a zygote, where is it likely to be found in the fetus? A: The mutation will show up in any fetal cells formed by mitosis but not in those formed by meiosis.

Vaccines are weekend forms of disease causing microorganisms which are given to patients to prevent diseases. After the vaccine is administered what response to the vaccine is triggered in the body? A. Secretion of antigens by lymphocytes B.

Which process allows a mammal to continue to grow in size

A what is a scientific instrument used to sense and record movements in Earth's Lithosphere?