Shared Flashcard Set

Details

Vocab.
Vocab. Ch 12
18
History
9th Grade
02/05/2013

Additional History Flashcards

 


 

Cards

Term
Character
Definition
a recognizable inherited feature or characteristic of an organism; in Mendelian heredity, a feature that exists in one of two or more possible variations called traits
Term
Trait
Definition
one of two or more possible forms of a character; a recognizable feature or characteristic of an organism
Term
Hybrid
Definition
in biology, the offspring of a cross between parents that have differing traits; a cross between individuals of different species, subspecies, or varieties
Term
Generation
Definition
the entire group of offspring produced by a given group of parents
Term
Allele
Definition
one of the alternative forms of a gene that governs a characteristic, such as hair color
Term
Dominant
Definition
in genetics, describes an allele that is fully expressed whenever the allele is present in an individual
Term
Recessive
Definition
in genetics, describes an allele that is expressed only when no dominant allele is present in an individual
Term
Genotype
Definition
the entire genetic makeup of an organism; also the combination of genes for one or more specific traits
Term
Phenotype
Definition
an organism's appearance or other detectable characteristic that results from the organism's genotype and the environment
Term
Homozygous
Definition
describes an individual that has identical alleles for a trait on both homologous chromosomes
Term
Heterozygous
Definition
describes an individual that carries two different alleles of a gene
Term
Punnett Square
Definition
a graphic used to predict the results of a genetic cross
Term
Probability
Definition
the likelihood that a possible future event will occur in any given instance of the event; the mathematical ratio of the number of times one outcome of any event is likely to occur to the number of possible outcomes of the event
Term
Pedigree
Definition
a diagram that shows the occurrence of a genetic trait in several generations of a family
Term
Genetic Disorder
Definition
an inherited disease or disorder that is caused by a mutation in a gene or by a chromosomal defect
Term
Polygenic Character
Definition
a character that is influenced by more than one gene
Term
Codominance
Definition
a condition in which both alleles for a gene are fully expressed
Term
Linked
Definition
in genetics, describes two or more genes that tend to be inherited together
Supporting users have an ad free experience!