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Heredity/Reproductio

7.14ABC Heredity, Genetics, & Reproduction

TermDefinition
HEREDITY Transfer of genetic information from parent to offspring.
DEOXYRIBONUCLEIC ACID (DNA) Contains information that forms the hereditary material of all cells.
CHROMOSOME Single, highly organized and structured piece of DNA.
GENES Basic physical and functional unit of heredity made up of DNA.
GENOTYPE Exact genetic information carried by a single individual.
PHENOTYPE Physical appearance of an organism.
DOMINANT Allele that is always expressed.
RECESSIVE Allele that is only expressed if there is no different allele present.
TRAIT Characteristic of an organism; can be genetic or acquired.
ALLELE Different versions of a gene.
HOMOZYGOUS Having two identical alleles for a particular trait.
HETEROZYGOUS Having 2 different alleles for a particular trait.
NUCLEUS Membrane-bound structure in eukaryotic cells that contains the DNA.
ASEXUAL REPRODUCTION Reproductive process that involves 1 parent & produces offspring identical to the parent.
SEXUAL REPRODUCTION Reproductive process involving 2 parents whose genetic material is combined to produce a new organism different from themselves.
BINARY FISSION Type of asexual reproduction in which 1 cell divides to form 2 identical cells, such as occurs in prokaryotic cells.
BUDDING Type of asexual reproduction in which an offspring grows out of the parent organism.
VEGETATIVE PROPAGATION Type of asexual reproduction by which 1 plant produces new plants that are genetically identical to the parent plant.
Created by: trauberk