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Review Module 8
Module 8 Review Exploring Creation with Biology
| Question | Answer |
|---|---|
| What is the genotype for a homozygous tall pea plant? | TT |
| What process causes gametes to have one allele for a given trait, when other human cells have two of each allele? | Meiosis |
| A person carries a genetic disorder but does not have the disorder. How is that possible? | The genetic disorder is recessive. |
| Do sex-linked genetic disorders affect men and women the same? | No |
| Why are males affected more in sex-linked genetic disorders? | Men have only one allele in sex-linked traits. |
| Two individuals have an identical genotype for a certain trait, but they are not identical when it comes to that trait. Why? | Environmental or spiritual factors can affect some traits. |
| A woman with type O blood marries a man with type AB blood. What blood types with percentages are possible for their children? | A 50% and B 50% |
| T represents the ability to taste PTC, which is dominant. If a man is is heterozygous in that trait, what is his genotype? | Tt |
| If a woman cannot taste PTC, what is her genotype? | tt |
| Determine the percentage chance of each genotype for the children of a man who is heterozygous for a dominant trait and a woman who has the recessive trait. | 50% will be heterozygous dominant and 50% will be homozygous recessive. |
| Draw a Punnet square for a sex-linked recessive trait where the man does not have the trait and the woman carries but does not have the trait. | You should end up with one female homozygous for the dominant, one female heterozygous for the trait, one male dominant without the trait, and another male with the recessive trait. |
| What are the four ways genetic disorders arise? | Autosomal or sex-linked inheritance, change in chromosome structure, allele mutation, and change in chromosome number |
| Draw a Punnet square for two traits of a plant that is heterozygous in both traits when it is crossed with itself(make up traits or use ones you know). What are the possible phenotypes and their percent chances? | Be sure to practice this. This will be worth 5 points: 1 for getting the allele combinations correct, 2 for the Punnet square, and 2 for the correct phenotypes and percentages. |
| Go over pedigree diagrams. | There is a 1 point question about this. |
Created by:
michelemegna
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