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Science Unit 6 - Flash Cards - Genetics

Genetics Study of how traits are inherited
Chromosome Structures in a cell's nucleus that are made of DNA (genetic material)
Trait A distinguishing characteristic or quality; eye color, face shape
Heredity The passing of traits from parents to offspring
Asexual Reproduction A type of reproduction (regeneration, budding, binary fission, vegetative propagation) in which a new organism is produced by 1 parent with identical DNA to the parent
Budding A type of asexual reproduction that produces a bud that breaks away from the organism to live on its own
Regeneration A type of asexual reproduction, uses cell division to re-grow body parts
Binary Fission An organism splitting, making two identical organisms
Vegetative Propagation The ability of plants to reproduce by producing new plants from existing vegetative structures
Offspring Children or young of a particular parent, descendent
Sexual Reproduction A type of reproduction in which 2 parents form a unique offspring
Homozygous 2 alleles in a gene pair are the SAME for a particular trait
Heterozygous 2 alleles in a gene pair are the different for a particular trait
Recessive Describes a trait that is often covered up, is only seen when both alleles in a gene pair are recessive
Dominant Describes a trait that is always seen anytime it is present in a gene pair
Hybrid Another name of heterozygous, alleles for a trait are different
Purebred Another name for homozygous, alleles for a trait are the same
Genotype An organisms genetic makeup, or alleles for a trait
Phenotype Physical appearance and behavior or an organism because of the genes it has
Punnett Square A tool used to predict probability of certain traits in offspring
Created by: renaetelford