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ATS-Science 7
Genetics Vocabulary
Term | Definition |
---|---|
Gregor Mendel | called the Father of Genetics and developed the principal of genetics by researching pea plants |
Trait | charasteristic of an organism |
Dominant Trait | stronger gene or trait in genetics |
Recessive Trait | weaker gene or trait in genetics |
Allele | each form of a gene When you |
Meiosis | process that results in cells with only half the normal number of chromosomes |
Phenotype | visible characteristics of an organism |
Genotype | genetic makeup of an organism |
Gene | the basic unit of heredity |
Heredity | the passing of traits and genes from parent to offspring |
Heterozygous | organisms with 1 dominant and 1 recessive gene |
Homozygous | an organism that has either both dominant or both recessive traits |
Homologous Chromosomes | chromosomes that have the same sequence of genes and structure |
Pedigree | a diagram that shows a genetic trait in several generations of a family |
Sex Chromosomes | carry genes that determine sex of an individual |
Probability | the likelihood that a possible future event will occur at any given instance of the event. |
**YOU NEED TO KNOW HOW TO COMPLETE PUNNETT SQUARES & ANSWER QUESTIONS ABOUT THEM**(ex.What % of offspring will be heterozygous) | **YOU NEED TO KNOW HOW TO COMPLETE PUNNETT SQUARES & ANSWER QUESTIONS ABOUT THEM**(ex.What % of offspring will be heterozygous) |
DNA-Deoxyribonucleic Acid | in all living things, contains information that determines traits or your genes |
Nucleotide | The outside ladder of a DNA that is made up of a sugar, a phosphate, and a nitrogen base |
Chromosomes | In eukaryotic cells ans is made up of DNA-thread like |