Flashcards - Genetics

Flashcards - Genetics
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Punnett square
The Punnett square is a diagram that is used to predict an outcome of a particular cross or breeding experiment
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monohybrid cross
A monohybrid cross is a mating between two individuals with different alleles at one genetic locus of interest
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dominant trait
Dominance in genetics is a relationship between alleles of one gene, in which the effect on phenotype of one allele masks the contribution of a second allele at the same locus
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Gregor Mendel
Gregor Johann Mendel was a German-speaking Moravian-Silesian scientist and Augustinian friar and abbot of St
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locus
A locus in genetics is the position of a gene on a chromosome
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genotype
The genotype is the part of the genetic makeup of a cell, and therefore of an organism or individual, which determines a specific characteristic of that cell/organism/individual
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chromosome
A chromosome is a packaged and organized structure containing most of the DNA of a living organism
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chromosome
A chromosome is a packaged and organized structure containing most of the DNA of a living organism
genotype
The genotype is the part of the genetic makeup of a cell, and therefore of an organism or individual, which determines a specific characteristic of that cell/organism/individual
locus
A locus in genetics is the position of a gene on a chromosome
Gregor Mendel
Gregor Johann Mendel was a German-speaking Moravian-Silesian scientist and Augustinian friar and abbot of St
dominant trait
Dominance in genetics is a relationship between alleles of one gene, in which the effect on phenotype of one allele masks the contribution of a second allele at the same locus
monohybrid cross
A monohybrid cross is a mating between two individuals with different alleles at one genetic locus of interest
Punnett square
The Punnett square is a diagram that is used to predict an outcome of a particular cross or breeding experiment
dihybrid cross
Dihybrid cross is a pranit cross between two different lines that differ in two observed traits
Autosomes
An autosome is a chromosome that is not an allosome
sex chromosomes
A sex-determination system is a biological system that determines the development of sexual characteristics in an organism
homologous
In the context of biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa
crossing over
Chromosomal crossover is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction
F1 generation
An F1 hybrid is the first filial generation of offspring of distinctly different parental types
recombination
Genetic recombination is the production of offspring with combinations of traits that differ from those found in either parent

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