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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 |