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Heredity

Heredity Terms

QuestionAnswer
Heredity The passing of traits from the parent to offspring.
Alleles An alternate form that a gene may have for a single trait; can be dominant or recessive
Genetics The study of how traits are inherited through the actions of alleles.
Hybrid An offspring that was given different genetic info for a trait from each parent.
Dominant Describes a trait that covers over or dominates another form of that trait.
Recessive Describes a trait that is covered over or dominated by another form of that trait and seems to disappear.
Punnett Square A tool used to predict the probability of certain traits in offspring that shows the different ways alleles can combine.
Genotype The genetic makeup of an organism.
Phenotype The outward physical appearance and behavior of an organism as of a result of its genotype.
Homozygous Describes an organism with two alleles that are the same for a trait.
Heterozygous Describes an organism with two different alleles for a trait.
Trait A trait is characteristics or at tribute of an organism that is expressed by genes or influenced by the environment.
Genetic Engineering The application of scientific methods, procedures, and technologies that permit direct manipulation of genetic material.
Sex-Linked Gene A gene located on a sex chromosome, usually the X-chromosome.
Polygenic Inheritance Heredity of complex characters that are determined by a large number of genes, each one usually having a small effect.
Incomplete Dominance The appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotype.
Created by: xPylo98