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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Genetic Testing
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can be used on Embryos, Children and adults. When embryos are produced using IVF, doctors can check if they've got certain genetic disorders
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what can genetic testing be used for?
-ivf -genetic disorders |
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Ethics
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an ethical question is one which involves a very difficult decision for a example/ to terminate a pregnancy
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Genetic Screening/ false positive, false negative
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false positive- Child is said to have Cistic Fybrosis and doesn't
false negative - Child is said to not have Cistic Fyrbosis and does. |
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How does the Y chromosome make a male baby?
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a male embryo testees develop when it is about 6 weeks old. Testees produce male sex hormones called angrogens. Angrogens make the embryo develop into a male.
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What causes a Genetic Disorder?
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genetic disorders are caused by faulty alleles. Some disorders are inherited (one or both parents carry a faulty allele)
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Symptoms of Cystic Fibrosis
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-thick sticky mucus
-breathing difficulty -chest infections -difficulty digesting food |
cough cough
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Symptoms of Huntington's Disease
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-twitching
-forgetfulness -lack of balance -lack of concentration |
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A-sexual reproduction
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reproduction without fusion of gametes. the species requires no mate to reproduce.
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uni-celular
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an organism with just one cell.
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What is a clone?
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a clone is a genetically identical organism.
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Advantages and Disadvantages of cloning
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ADVANTAGES- Saves money
is quick you know what you are getting DISADVANTAGES- No variation may not be able to resist a disease |
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Homozygous
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having identical alleles
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Hetrozygous
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having different alleles
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How many chromosomes are found in sex cells?
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23
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What sex chromosomes do human males have?
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XY chromosomes
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what does "genotype" mean?
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the genetic constitution of an organism
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phenotype
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the set of observable characteristics
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where is you genetic material?
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its the nucleus that contains your genetic material.
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what are alleles?
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alleles are different versions of the same gene
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what are genes?
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genes are instructions for cells.
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issues surrounding genetic testing
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- the results of genetic tests may not be 100% accurate
- tests carried out during pregnancy arent always 100% - some people may prefer not to know - insurance companies may refuse to give life insurance |
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