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genetics
| Question | Answer |
|---|---|
| give an example of a heterozygous Tall person (T) | Tt |
| DNA | determines the inharated traits of an organism |
| Homozygous Long hair girl (L) | LL |
| aquired trait | a trait an organism devolops after its born |
| heredity | is the process in which traits are passed from parents to offspring |
| chromosomes | short thick coils of DNA |
| gene | is a short piece of DNA that determines the trait of the organism |
| how many chromosomes are in a human cell | 46 |
| how many chromosomes are in a human gametes (egg or sperm) | 23 |
| alleles | the diffrent type of gene |
| purebred | has two of the same alleles |
| hybrid | has two diffrent alleles for a trait |
| domnant alleles | always shows up when other alleles are present |
| recessive alleles | always hidden when other alleles are present |
| phenotype | is the way an organism looks |
| genotype | is the genetic make up or the combination of alleles in an organism |
| homozygous | an organism with two of the same alleles for a trait |
| heterozygous | a organism with two diffrent alleles for a trait |