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16 Cards in this Set
- Front
- Back
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DNA contains? |
GCAT's Sugar and Phosphate |
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Where is the DNA located? |
In the nucleus of the cell |
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What does DNA stand for ? |
Deoxiribonucleic acid |
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What chemicals are in DNA? |
Guanine , cytosine, Adenine, Thiamine |
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What are Chromosomes? |
A thread like structure- a clump of DNA - 46 chromosomes in the body |
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What's a gene |
Unit or heredity that is transferred from parent to offspring, held to determine some characteristic of offspring |
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Allele |
2 or more alternative forms of a gene |
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Heredity |
Passing on physical or mental genes |
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How is sexual reproduction related to heredity? |
... |
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How is sexual reproduction related to heredity? |
By sexual reproduction you pass on the genes to the offspring, and it is "blended" with the other parent and passing on DNA. |
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Mitosis? When does it happen? How many cell division? How many chromosomes? |
Cell division that produces two identical daughter cells from one parent 1 cell division, but first copied. Happens in body cells to repair/growth development.
46chromosomes 23pairs |
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Meiosis; when does it happen, how many cell division, how many chromosomes |
Type of cell division produces four sex cells from one parent. Chromosomes: 23 at the end; half of parents DNA. Two times cell division. |
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Difference between pure and hybrid? |
Hybrid: organism produced by crossing two individual purebred for different forms of trait. Purebred: organism which all ancestors share same form of trait. |
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Difference between pure and hybrid? |
Hybrid: organism produced by crossing two individual purebred for different forms of trait. Purebred: organism which all ancestors share same form of trait. |
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What happens when you cross dominant breed with recessive breed? |
Dominant trait will be shown more, because it dominates the recessive trait. |
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What happens to recessive allele when it does not show? |
It is still there, only hidden because it can't be seen. |
