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Genetics & Heredity
Terms in this set (21)
the passing of traits from parents to offspring
mature adults that are capable of reproducing.
the "product" of reproduction. The offspring is the child or young of the parents
the characteristics of an organism
an innate, fixed behavior. Instincts are behaviors that are believed to be completely controlled by DNA
how an organism acts or responds. It is believed that an organism's behavior is determined by a complex interaction between DNA and the environment
is one who traits always show up and is expressed (A)
is cover up when the dominant allele is present, it hides in the background (a).
An organism that has two different alleles for a trait. (Aa)
likelihood that a particular event will occur
study of heredity and how traits are passed from parents to offspring
All the genetic information in an organism; all of an organism's chromosomes.
a strand of DNA
Pair of chromosomes that are the same size, same appearance and same genes.
A segment of DNA on a chromosome that codes for a specific trait
a form of a gene that controls a trait
An organism's genetic makeup, or allele combinations.
An organism's physical appearance, or visible traits, determined by the genotype
having two identical alleles for a trait (AA or aa)
having two different alleles for a trait (Aa)
an organism with all homozygous alleles for every trait
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