What syndrome is defined by an xxx genotype

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Reference no: EM1339794

1. How is sex determined in grasshoppers? Can you find other examples of organisms with a similar system of sex determination?

2. Some marine shellfish, such as limpets, become either male or female depending on where they grow. What makes one limpet a male and another a female?

3. Are there other organisms whose sex is determined by environmental factors and not by genetics factors?

4. Certain human chromosomal aberrations that occur during meiosis result in eggs or sperm with two copies of the X chromosome. What happens if that gamete is fertilized? What syndrome is characterized by an XXY genotype? What syndrome is characterized by an XXX genotype? What can you learn about this syndrome?

5. Another type of human chromosomal aberration results when a person inherits one X and two Y chromosomes. What event must occur during meiosis for this to happen? What syndrome is characterized by an XYY genotype? What can you learn about this syndrome?

Reference no: EM1339794

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