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Unit D-1 Vocabulary
Vocabulary words from unit D-1.
Term | Definition |
---|---|
characteristics | Groups of qualities or features that help to set something apart from something else. |
gene | A unit passed down from parent to child that holds information that determines certain characteristics of offspring. |
genetics | The study of heredity and inherited characteristics. |
inherited trait | A trait that is genetically passed down from parent to child. |
acquired trait | A trait that you get or develop from the environment around you. |
trait | A specific quality or attribute that typically sets something apart from something else. |
asexual reproduction | Reproduction that only involves one parent. In this, the offspring shares the exact same genetic information as the parent. |
cell | The smallest unit of life. |
clone | An artificial method of reproducing an organism’s exact genetic information with only one parent. Not to be confused with asexual reproduction. |
mutation | An unexplained inconsistency in the genes of an organism. Associated primarily with asexual reproduction. |
sexual reproduction | Reproduction that involves two parents. In this, the offspring receives half of each parent’s genes. |
allele | Two or more alternate forms of a gene or characteristic. |
dominant | The gene that has a higher chance of appearing in offspring. |
recessive | The “hidden trait” that has less of a chance of appearing in offspring. |
homozygous | Two identical alleles. |
heterozygous | Two different alleles. |
phenotype | The physical appearance of an organism. |
genotype | The genetic appearance of an organism. |
punnett square | A diagram used to predict the outcome of a cross or breeding experiment. |