biology need help please!

timer Asked: Dec 29th, 2012

Question Description

1. Explain how Mendel's law of segregation describes the inheritance of a single characteristic.

2. Explain how Mendel's principle of independent assortment applies to a dihybrid cross. Illustrate this principle with examples of Mendel's work with peas and recent research on Labrador retrievers.

3. Compare the health risks, advantages, and disadvantages of the following forms of fetal testing: amniocentesis, chronic collision sampling, ultrasound imaging

4.Describe the inheritance patterns of incomplete dominance, multiple alleges, and pleiotropy.

5. Define the chromosome theory of inheritance. Explain the chromosomal basis of the principles of segregation and independent assortment.

6. Explain how sex is genetically determined In humans and the significance of the SRY gene. Explain how sex is determined differently In other organisms.

7. Describe the patterns of sex-linked inheritance, noting examples In fruit flies and humans.

Sorry I'm doing very bad In the class and I've tried to get help numerous times but half the time My teacher ignores me or says read the chapter and fill it out so I just really need help on these answers if you can Thank you so much!

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