the different forms a gene may have for a trait
the genetic make-up of an organism
when both alleles are expressed in offspring, when neither allele for a trait is dominant
occurs when a group of gene pairs acts together to produce a single trait, which creates more variety in phenotypes
when a trait covers up or dominates the other traits
the passing of traits from one generation to another
when there are more than two alleles possible for a trait
when a normal allele is placed into a virus, which delivers the normal allele when it infects its target cell, may be used to control genetic disorders, like cystic fibrosis
how scientists are experimenting to change the arrangement of DNA that makes up a gene
an organism that has two different alleles for a trait
shows patterns of genetic inheritance in a family
in a Punnett square, a small letter(t) stands for this kind of allele, the trait seems to disappear
made by inserting a useful segment of DNA from one organism into a bacterium, ex. human insulin
an organism with two alleles that are exactly the same
the way an organism looks and behaves as a result of its geneotype
an allele inherited on an X or Y chromosome, such as hemophilia or color-blindness
recessive genetic disorders
when both parents have a recessive allele responsible for the disorder and pass it to their child
(same) an organism whose two genotype alleles are exactly the same
(different) an organism with two different alleles for a trait
(many) a type of inheritance where more than one set of genes controls a trait
the father of genetics, first to use mathematics to explain heredity and to trace one trait for generations
receives different genetic information for a trait from each parent
helps predict the chance that something will happen
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