NWC3 Flashcards

Question	Answer
Alleles	The different forms of a gene that are located on specific positions of the chromosome.
Codominance	A condition in which neither of the two alleles of a gene is dominant or recessive.
Dominant	An allele whose trait always shows up in the organism where the allele is present
DNA	Deoxyribonucleic acid: The genetic material that carries information about an organism and is passed from parent to offspring.
Gene	A segment of DNA on a chromosome that codes for a specific trait.
Genetics	The scientific study of heredity.
Genotype	An organism's genetic make-up, or allele combinations.
Chromosome	A threadlike strand of DNA that carries the genes determining heredity.
Heredity	The passing of traits from parents to offspring
Heterozygous	Having two different alleles for a trait.
Homozygous	Having two identical alleles for a trait.
Hybrid	An organism that is heterozygous for a particular trait; An organism that has two different alleles for a trait.
Meiosis	The process that occurs in the formation of sex cells (sperm and egg) by which the number of chromosomes is reduced by half.
Phenotype	An organism's physical appearance, or visible traits.
Purebred	An organism that always produces offspring with the same form of the trait as the parent.
Recessive	An allele that is masked when a dominant allele is present.
Trait	A characteristic that an organism can pass on to its offspring through its genes.

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	Created by jsol606 over 9 years ago