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Heredity Flashcards
Heredity Flashcards for a 7th grade level
20
Biology
9th Grade
03/23/2020

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Term
Heredity
Definition
The transfer of physical or mental characteristics to offspring.
Term
Trait
Definition
A distinguishing quality or characteristic
Term
Genetics
Definition
The properties or features of an organism.
Term
Fertilization
Definition
The action of a sperm cell fertilizing an egg
Term
Purebred
Definition
An animal bred from parents of the same species
Term
Gene
Definition
A unit of heredity passed on from a parent
Term
Allele
Definition
An alternative form of a gene
Term
Dominant Allele
Definition
The dominant form of a gene
Term
Recessive Allele
Definition
The recessive form of a gene
Term
Hybrid
Definition
The offspring of parents with different species.
Term
Probability
Definition
How likely something is to happen.
Term
Punnet Square
Definition
A square used to predict the genotypes of offspring
Term
Phenotype
Definition
The set of observable characteristics
Term
Genotype
Definition
The genetic makeup of a cell
Term
Homozygous
Definition
Having 2 identical alleles
Term
Heterozygous
Definition
Having 2 different alleles
Term
Incomplete Dominance
Definition
When 1 allele is not fully expressed over another allele.
Term
Co-dominance
Definition
Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully expressed.
Term
Multiple Alleles
Definition
Three or more alleles
Term
Polygenic Inheritance
Definition
Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many genes in contrast to monogenic inheritance wherein the trait results from the expression of one gene
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