Mendel's Principles of Genetics - HOCO Biology
|Mendel's Principles of Genetics |Meiosis |
| | |
|There are ____________ forms of genes which account for | |
|variations in inherited traits. | |
| | |
| | |
| | |
| | |
|2. For each inherited trait an individual has _________ factors| |
|(genes) one from each parent. | |
| | |
| | |
| | |
| | |
|3. The principle of segregation: The two members of a gene |[pic] |
|___________ pair (alleles) segregate (______________) from each | |
|other in the formation of gametes. Half the gametes carry one | |
|allele, and the other half carry the other allele. | |
| | |
|This happens in ______________ | |
| | |
| | |
|The principle of independent assortment: Genes for different |Alternative arrangement 1 |Alternative arrangement 2 |
|traits (not on the same chromosome) assort ____________________ | | |
|of one another in the formation of gametes. | | |
| | | |
| | | |
|The number of possible chromosome combinations is potentially | | |
|very large. In general, the number of possible chromosome | | |
|combinations is 2n, where n is the number of chromosome pairs. | | |
| | | |
|For humans 2n is 223 or ____________ possible combinations. | | |
| | | |
Answer Key
|Mendel's Principles of Genetics |Meiosis |
|There are alternate forms of genes which account for variations |[pic] |
|in inherited traits. | |
| | |
| | |
| | |
|2. For each inherited trait an individual has two factors |[pic] |
|(genes) one from each parent. | |
|3. The principle of segregation: The two members of a gene pair | |
|(alleles) segregate (separate) from each other in the formation | |
|of gametes. Half the gametes carry one allele, and the other half| |
|carry the other allele. | |
| | |
|This happens in Meiosis 1 | |
|The principle of independent assortment: Genes for different |Alternative arrangement 1 |Alternative arrangement 2 |
|traits (not on the same chromosome) assort independently of one | | |
|another in the formation of gametes. | | |
| | | |
|The number of possible chromosome combinations in the haploid | | |
|nuclei is potentially very large. In general, the number of | | |
|possible chromosome combinations is 2n, where n is the number of | | |
|chromosome pairs. | | |
| | | |
|For humans 2n is 223 or 8,388,608 possible combinations. | | |
| |[pic] |
| |Where n=2, 2n= 22 = 4 possible combinations |
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Meiosis ____
Meiosis ____
Meiosis 2
Meiosis 1
[pic]
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