Term
| How many chromosomes are in a normal diploid cell? |
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Definition
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Term
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Definition
| An absent or faulty gene that is replaced by a normal working gene. |
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Term
| What is a pedigree chart? |
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Definition
| A chart that shows the relationship within a family. |
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Term
| How is DNA fingerprinting accomplished? |
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Definition
| A sample of DNA is cut with a restriction enzyme. |
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Term
| What makes each persons DNA unique? |
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Definition
| A different pattern of bands is produced that can be distinguished from a pattern that only one person has. |
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Term
| What does polygenic mean? |
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Definition
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Term
| What are the characteristics of sickle cell disease. |
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Definition
| The bent and twisted shape of the red blood cells. |
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Term
| What human trait is dependent on multiple alleles? |
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Definition
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Term
| What would the genotype need to be for parents to create a colorblind daughter? |
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Definition
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Term
| What sex chromosome has the most sex linked genes? |
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Definition
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Term
| What are 3 sex linked traits? |
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Definition
| Colorblindness, Hemophilia, and Duchenne Muscular Dystrophy. |
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Term
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Definition
| A set of chromosomes grouped in order in pairs. |
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Term
| What are 3 chromosomal disorders that occur in nondisjunction disorders? Describe the chromosomal effect of each. |
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Definition
Down Syndrome- 3 copies of chromosome 21.
Turner's Syndrome (GIRLS)- Only one X chromosome because it is missing one.
Klinefelter's Syndrome (BOYS)- One extra X chromosome (XXY). |
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Term
| During what cellular process does nondisjunction occur? |
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Definition
| Abnormal numbers of chromosome may find their way into gametes, and a disorder of chromosome numbers may result. |
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Term
| Why are most sex linked disorders found in male offspring? |
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Definition
| Male only have one X chromosome. |
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Term
| What is the human genome project? |
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Definition
| An ongoing effort to analyze the human DNA sequence. |
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Term
| How many base pairs are found in human DNA? |
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Definition
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Term
| How is the sex of the offspring determined in human? |
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Definition
| It depends on whether the X or Y chromosome in sperm fertilizes the egg. |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Punnet square for cystic fibrosis. |
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Definition
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Term
| What population is generally affected by sickle cell disease? |
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Definition
| African Americans because of Malaria |
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