Ch 11 Vocab Flashcards
(20 cards)
Signs of heredity
Genetics
Siri of evolution developed by Garwin based on for ideas excess reproduction various is inheritance in the advantage of specific trait in an environment
Natural selection
Darwins term for the selective breeding of organisms selected for certain traits in order to produce offspring’s having those traits
Artificial selection
The start of Mandel work on inheritance
P generation
The first filial generation which is comprised of offsprings resulting from a cross between strains of distinct genotypes
F1 generation
Mendels name for a specific trait that appears in the F1 generation
Dominant trait
Mendels name for a specific trait hidden or mess in the F1 generation
Recessive trait
Functional unit that controls inherited traits expression that is passed from one generation to another generation
Genes
Alternative form that a single gene may have for a particular trait
Alleles
Mendelian law stating that to alleles for each trait separate during meiosis
Law of segregation
Organism with two of the same alleles for specific trait
Homozygous
Diagram that is used to predict an outcome of a particular cross of breeding
Punnett Square
Organisms with two different alleles for a specific trait
Heterozygous
Organisms heterozygous for specific trait
Hybrid
An organisms alleles pairs
Genotype
Observable characteristics that is expressed as a result of an allele pair
Phenotype
Mendelian law stating that a random distribution of alleles occurs during the formation of gametes
Law of independent assortment
Breeding that can be used to determine an organism’s genotype
testcross
Cross between two different lines that differ in 2 observed traits
Dihybrid
The passing of Phenotypic traits from parents to their offspring
Heredity