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7th Grade Science!
These are vocabulary for 7th grade science!
| Question | Answer |
|---|---|
| D.N.A. | Deoxyribonucleic Acid; and acid in the nucleus if a cell that codes and stores genetic information. |
| Gene | A section of D.N.A. on a chromosome that directs the making of a specific protein. |
| Trait | An inherited characteristic. |
| Heredity | The passing of traits from parent to offspring. |
| Alleles | The different forms of a gene may have for a trait. |
| Genetics | The study of how alleles affect generations of offspring. |
| Gregor Mendel | "Father of Genetics" He studied pea plants. |
| Dominant Alleles | The form of an allele that seems to dominate or mask another form of the same trait. |
| Recessive Allele | The form of an allele that appears least often in offspring. ~written in lower case letters! |
| Heredity | Because chromosomes are paired, each individual carries two alleles for any given gene. |
| Homozygous Dominant | When an individual has two dominant alleles for a gene. |
| Homozygous Recessive | When an individual has two recessive alleles for a gene. |
| Heterozygous | When an individual has both a dominant and recessive allele for a gene. |
| Genotype | The genetic makeup of an individual. |
| Phenotype | the physical trait displayed by an individual. ~Ex. right handed or Left handed |
Created by:
koda13
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