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Chpt. 13,14,15
| Question | Answer |
|---|---|
| Haploid cells contain ________ | a single chromosome set |
| When does crossing over occur? | during prophase 1 of meiosis |
| Human females have a pair of homologous ___ chromosome | X |
| human males have a ___ chromosome and ___ chromosome | X and Y |
| what is the overall purpose of meiosis? | to create 4(n) haploid cells that are gametes |
| What causes Achondroplasia | by the inheritance of a single dominate allele |
| Why would someone with cystic fibrosis have extra mucus | there is a defective recessive allele |
| aneuploidy have how many extra chromosome | just one |
| and extra 21 chromosome is and example of what | nondisjunction |
| Albinism is an example of what | pleiotropy |
| a gene consist of two______ | alleles |
| homologous pairs line up on the metaphase plate in _______ | meiosis |
| a defective ______ ______ for and enzyme cause thick mucus in the lungs and other parts of the body | recessive allele |
| if males inherit a ___ ___ on their x chromosome there is no chance for a dominate allele to cover it up | recessive allele |
| what does mitosis make? | organisms |
| meiosis forms ________ | gametes |
Created by:
LaurenMarie
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