2.
Passing of traits from parents to offspring
3.
A complex molecule containing the genetic information that makes up the chromosomes
4.
A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group
5.
Chains of amino acids that will later determine different genetic traits
6.
Change in a DNA sequence that affects genetic information
7.
Mutation Enhances the survival or reproductive success of an organism
8.
Mutation Any mutation that reduces the reproductive success of an individual or its survival
9.
Mutation A mutation that has no effect on survival or reproduction
10.
Threadlike structures made of DNA molecules that contain the genes
11.
A segment of DNA on a chromosome that codes for a specific trait
12.
Characteristics that are inherited from parent to offspring
13.
Different versions of a gene
14.
allele One whose trait always shows up in the organism when the allele is present
15.
allele An allele that is hidden whenever the dominant allele is present
16.
An organism that has two identical alleles for a trait
17.
An organism that has two different alleles for a trait
18.
An organism that always produces offspring with the same form of a trait as the parent
19.
Offspring of crosses between parents with different traits
20.
An organism's physical appearance, or visible traits
21.
An organism's genetic makeup, or allele combinations
22.
Square A chart that shows all the possible combinations of alleles that can result from a genetic cross
23.
A diagram that shows the occurrence of a genetic trait in several generations of a family
24.
A display of the chromosome pairs of a cell arranged by size and shape
25.
The surroundings or conditions in which a person, animal, or plant lives or operates
