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Science chapter 7
| Term | Definition |
|---|---|
| What did mendel use to test inheritance of traits? | Pea Plants |
| How many factors did Mendel believe combined to make one trait? | 2 factors |
| What do we call the particales Mendel identified as factors? | Genes |
| Give 2 examples of gametes | Egg and Sperm Cell |
| How many chromosomes in human cells? | 46 |
| How man pairs of chromosomes in a human cell? | 23 |
| Is the number of chromosomes the same in all organisms | No |
| How many chromosomes are found in the sperm and egg cells? | 23 |
| What is a Punnet Square used for? | To determin the genes of offspring |
| Give an example of a human characteristic that is hybrid | Being able to roll your tounge |
| Give an example of a human characteristic that is purebred | Height, eye color, hair color. |
| In humans, the #____ pair of chromosomes indicates the sex of the child | 23rd |
| The female sex chromosomes are____ and the male are____. | Female: Xx Male: Xy |
| Does a mother or a father condribute the chromosome that determines the sex of the child? | Father |
| Give an example of a sex-linked trait. | Color blindness |
| Is the mother or Father responisble for passing on a sex linked trait? | Mother |
| Is color blindness a dominate or recessive trait? | Recessive |
| Genetics | The inheritance of traits. |
| Gregor Mendel | Munk who studied pea plants to learn about inheritance of traits. |
| Purebred | Same though generations |
| Hybrid | Offspring of two genetically unrealated parents. |
| Cross | Mating of organisms to test traits |
| Factors | Mendels word for genes |
| Dominate | Masked traits |
| Recessive | Can be Masked |
| Zygote | The initial cell formed when two gamete cells are joined by means of sexual reproduction |
| Gamete | A cell that carries half the genes |
| Genotype | Its the code for characteristics |
| Phenotype | Physical characteristics |
| Genes | DNA segments |
| Incomplete dominace | Combined traits |
| Multi-gene inheritace | More than 2 genes |
| Sex-linked trait | An inherited trait, that has corisponding on X not Y |
| Carrier | You have the gene for a trait but its masked |
| Inheited disorder | 2 traits combined to form a third |
Created by:
efunsize
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