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Alleleallele
allele
Alleleallele
allele
one form of a gene
Chromosome
Chromosome
A bundle of dna that has many different genes
Codominance
Codominance
When both alleles of a gene show up as a trait
Dominant Allele
B, W, F, T, A
The trait or allele that always shows up over a recessive allele.
Dominant Allele
B, W, F, T, A
Recessive Allele
d, b, t, w, a
Recessive Allele
d, b, t, w, a
The trait or allele that will not show up in the presence of a dominant allele.
Gene
Gene
Gene
Gene
A segment of a chromosome that codes for one specific trait. Usually made of two alleles.
Genetics
Genetics
The study of heredity or how traits are passed from parents to offspring
Genotype
Bb, WW, cc,
Genotype
Bb, WW, cc, The genetic makeup of an organism.
Phenotype
Example. Orange head, white body, long fins, fat belly.
Phenotype
Example. Orange head, white body, long fins, fat belly.
An organisms set of traits.
Heredity
Heredity
The process of traits being passed from parents to offspring.
Heterozygous
Bb
Heterozygous
BbWhen two alleles for a gene are different.
Homozygous
BB
Homozygous
BB
When two alleles for a gene are identical.
Hybrid
Hybrid
An organism that has a mixture of traits.
Incomplete Dominance
Incomplete Dominance
When a trait for a dominant allele blends with the traits for a recessive allele.
Meiosis
Meiosis
The process of creating four sex cells with half the number of chromosomes as the original.
Mitosis
Mitosis
The process of making an exact copy of a cell.
Mutations
Mutations
When a gene or DNA becomes changed.
Probability
Probability
The likeliness of something happening.
Punnett Square
Punnett Square
A chart used to calculate the probability of offspring getting certain traits.
Purebred
Purebred
When an organism has genes with all of the same alleles. All genes are homozygous.
Selective Breeding
Selective Breeding
When you control what traits an organism has by selecting to breed parents with desired traits.
Trait
Trait
A physical feature of an organism such as hair color.
Asexual Reproduction
Asexual ReproductionReproduction involving only one parent
Sexual Reproduction
Sexual Reproduction
Reproduction involving more than one parent
Genetic Engineering
Genetic Engineering
Changing an organisms genes in order to control it's traits
Offspring
Offspring
new organisms produced by a living thing
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