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Genetics7thGrade
genes, genetics, phenotype, genotype, punnet squares, gene
| Question | Answer |
|---|---|
| karyotype | A picture of all the chromosomes in a cell arranged in pairs. |
| egg | An ovum also called an egg cell. |
| DNA | Deoxyribonucleic acid: An extremely long macro molecule that is the main component of chromosomes. |
| heterozygous | Having dissimilar pairs of genes for any hereditary characteristic. |
| sex-liked genes | A gene that is carried by the X or Y chromosome. |
| Sperm | A male reproductive cell. |
| meiosis | Part of the process of gamete formation. 2 cell divisions. |
| pedigree | A chart or "family tree" that tracks which members of a family have a particular trait. |
| codominance | Pertaining to 2 different alleles tat are fully expressed in a heterozygous individual. |
| homozygous | Having identical pairs of genes for any given pair for hereditary characteristics. |
| Genetic disorder | An abnormal condition that a person inherits through genes or chromosomes. |
| mitosis | Cell division of nucleus and the cytoplasm. |
| multiple alleles | Tree or more forms of a gene. |
| genotype | The genetic makeup of an organism with reference to a single trait. |
| phenotype | An organisms physical appearance, or visible. traits. |
| alleles | The different forms of a gene. |
| purebred | An animal that's ancestors have come form a recognized breed. |
| heredity | Passing, or capable of passing, naturally from parent to offspring through genes. Ex:Blue eyes. |
| carrier | An individual processing on unexpressed, recessive trait. |
| trait | a characteristic or quality. |
| chromosome | Strand of DNA that has the hereditary information necessary for cell life. |
| genetics | The science of heredity. |
| punnet square | A chart the shows all the possible combos of alleles that can result from a genetic cross. |
| mutation | A sudden departure from the parent type in 1 or more heritable characteristics caused by a change in a gene or chromosome. |
| hybrid | The offspring of 2 animals or plants of different breeds, varieties, species, etc |
| probability | The likelihood that an event will occur. |
| dominant allele | An allele whose trait always shows up in the organism when the allele is present. |
| genes | Characteristic passed down through ancestors, parents, grandparents, etc. |
| recessive allele | An allele that is masked or hidden when a dominant allele is present. |
Created by:
mgeraci6
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