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Chapter 5 Vocabulary

The passing of traits form one parent to offspring. Heredity
The study of how traits are inherited through the actions of alleles. Genetics
An offspring that was given different genetic information for a trait form each parent. Hybrid
An alternate form that a gene may have for a single trait; can be dominant or recessive. Alleles
A too to predict the probability of certain traits in offspring that shows the different ways alleles can combine. Punnett Square
Outward physical appearance and behavior of an organism as a result of its genotype. Phenotype
The genetic makeup of an organism. Genotype
Describes an organism with two different alleles for a trait. Heterozygous
Describes an organism with two same alleles for a trait; can be recessive of dominant. Homozygous
Production of a phenotype that is intermediate between the two homozygous parents. Incomplete Dominance
Occurs when a group of gene pairs act together and produces a specific trait, such as human eye color, skin color, or height. Polygenic Inheritance
An allele inherited on a sex chromosome and that can cause human genetic disorders such as color blindness and hemophilia. Sex-Linked Gene
A characteristic or attribute of an organism that is expressed by genes and/or influenced by the environment. Trait
Biological and chemical methods to change the arrangement of a gene's DNA to improve crop production, produce large volumes of normal functions. Genetic Engineering
Describes a trait that is covered over, or dominated, by another form of that trait and seems to disappear. Recessive
Describes a trait that covers over, or dominates, another form of that trait. Dominant