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Ch 26
Bio B
| Question | Answer |
|---|---|
| Where are chromosomes located at? | Nucleus |
| How many chromosomes should a human have? | 46 |
| What is Genetics? | The study of how living things inherit their traits |
| What are traits determined by? | genes |
| What is a recessive gene? | represented by a lower case letter, not shown if a dominant gene is present |
| Who was Mendel? | He studied pea plants and reported the results of genetic crosses |
| What is homozygous? | Both are the same (BB) |
| What is heterozygous? | Both are different (Bb) |
| What are observed results? | Something that can be seen |
| What is a punnet square? | Shows possible gene combinations |
| What is dominant? | represented by an upper case letter, stomps out the recessive gene and shows it's trait |
| What are body cells? | All cells except egg and sperm (46 Chromosomes) |
| What are sex cells? | Sperm and egg cells |
| What is pure dominant? | BB |
| What is pure recessive? | bb |
| Where are genes found? | On chromosomes |