Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
Define inheritance.
|
genetic transmission of characteristics from parents to offspring
|
|
|
Define heredity.
|
biological similarity of offspring and parents
|
|
|
Define gene.
|
physical and functional unit of heredity which carries info from one generation to the next
|
|
|
Define DNA.
|
double chain of linked nucleotides-fundamental substance genes are composed of
|
|
|
Define helix.
|
curve or spiral (structure of DNA first proposed by Watson and Crick)
|
|
|
Define nucleotide.
|
molecule composed of a nitrogen base, sugar and phosphate group: basic building block of nucleic acids
|
|
|
Define RNA
|
single stranded nucleic acid
|
|
|
Define transcription.
|
synthesis of RNA from a DNA template
|
|
|
Define allele.
|
one of the different forms of a gene that can exist at a single locus
|
|
|
Define polymorphism
|
occurance in a population of several phenotypic forms associated with alleles of one gene or homologs of one chromosome
|
|
|
Define mutant.
|
an organism or cell carrying a mutation
|
|
|
Define wild type.
|
the genotype or phenotype that is found in nature or in the standard laboratory stock for a given organism
|
|
|
Define development
|
process where a single cell becomes a differentiated organism
|
|
|
Define genotype
|
specific allelic composition of a cell
|
|
|
Define phenotype
|
form taken by some character in a specific individual
|
|
|
Define continuous variation
|
variation showing an unbroken range of phenotypic values
|
|
|
Define discontinuous variation
|
variation having distinct classes of phenotypes for a particular disease
|
|
|
Define norm of reaction.
|
pattern of phenotypes produced by a given genotype under different environmental conditions
|
