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7th Grade - Chapter 11: Heredity

Teacher: Mrs. Morey
Describes an organism with two alleles that are the same for a trait
Outward physical appearance and behavior of an organism as a result of its genotype
Biological and chemical methods to change the arrangement of a gene's DNA
The genetic makeup of an organism
Occurs when a group of gene pairs act together and produces a specific trait, such as human eye color, skin color or height
An alternate form that a gene may have for a single trait, can be dominant or recessive
An allele inherited on the sex chromosome and that can cause genetic disorders such as color blindness and hemophilia
The study of how traits are inherited through the actions of the alleles
Describes an organism with two different alleles for a trait
Production of a phenotype that is intermediate between two homozygous parents
Describes a trait that covers over, or dominates, another form of that trait
A tool to predict the probability of certain traits in offspring that shows the different ways alleles can combine
The passing of traits from parent to offspring
An offspring that was given different genetic information for a trait from each parent
Describes a trait that is covered over, or dominated, by another form of that trait and seems to disappear