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Genetic Biology

Vocab

QuestionAnswer
Homozygous (TT or tt) Organisms that have 2 identical alleles for a particular trait
Heterozygous (Tt) Organisms that have 2 different alleles for the same trait
Genotype (TT, Tt, or tt) Genetic makeup
Phenotype Physical characteristic (what it looks like - ex. Tall or short)
Gene a segment of DNA (on a chromosome) that contains the code for a specific trait
Heridity the passing of traits from parent to offspring
Asexual Reproduction a method of reproduction in which all the genes passed on to the offspring come from a single individual or parent
Sexual Reproduction a method of reproduction that involves two parents producing offspring that are genetically different from either parent
Clone an organism that is genetically identical to the organism from which it was produced
Sperm the male sex cell
Egg a sex cell produced by a female
Gentic Recombination the formation of a new combination of genes during sexual reproduction
Replicate to copy
Mutation any alteration in the sequence of DNA
Genetic Engineering a set of technologies that humans use to alter the genetic instructions of an organism by substituting DNA molecules
Biotechnology the combination of technology and biological sciences
Selective Breeding the process of choosing a few organisms with desirable traits to serve as the parents of the next generation
Alles Different forms of genes
Dominat An organism with a dominant allele for a particular from of a trait will always exhibit that form of the trait
Recessive An organism with a recessive allele will exhibit that form only when the dominant allele for the trait is not present
Created by: NFLbryce
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