Made up of segments of DNA and are passed from parent to child.

The membrane-enclosed organelle within a cell that contains the chromosomes

Form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms.

Molecules that carry out many functions in cells and are made up of smaller parts called amino acids. They also have functions that affect the organism’s traits

An organism's observable characteristics.

The backbone of DNA is made up of

The rungs of the DNA are composed of?

Our DNA is composed of nucleotides that pair together; adenine, guanine, thymine, and cytosine. Adenine always pairs with _________.

Our DNA is composed of nucleotides that pair together; adenine, guanine, thymine, and cytosine. Guanine always pairs with _________.

Structure found inside the nucleus that contains DNA. Each cell contains 23 pairs.

A type of reproduction in which the genetic materials from two different cells combine, producing an offspring

One parent: organism produces offspring without fertilization

One disadvantage to sexual reproduction does Not include

One advantage to sexual reproduction includes

Where the better adapted organisms survive to pass traits along to offspring

Survival of the Fittest and Evolution were proposed by

Brown Hair, blue eyes, and free earlobes are all examples of

Blue eyes are considered to be ___________ compared to brown eyes.

Which of the following is an example of an allele?

If your genotype is Bb what type of trait would you express a phenotype?

Which set of alleles are considered heterozygous?