Question

1) What is Dosage compensation as it relates to sex chromosomes 2) What is the Lyon's Hypothesis--Who is Mary Lyon's 3) What is a Calico Cat? and How does one of these cats look and What has happened to their X chromosomes to make them look that way 4) Explain why you can NOT typically have a Male Calico cat. 5) Can you think of any unusual situation where you might be able to have a Male Calico cat? Explain how this might occur 6) Explain about how X chromosome inactivation takes place in mammals at the chromosomal and molecular level. What genes are involved in inactivating a x chromosome? 7) Why aren't Turners females who have one X chromosome phenotypically normal given that males only have one X and are normal and all female mammals inactivate one of their 2 X chromosomes leaving with one X just like Turners females and these females are also normal . Bur Turner's females are not normal. Why?

          1) What is Dosage compensation as it relates to sex chromosomes

2) What is the Lyon's Hypothesis--Who is Mary Lyon's

3) What is a Calico Cat? and How does one of these cats look and What has happened to their X chromosomes to make them look that way

4) Explain why you can NOT typically have a Male Calico cat.

5) Can you think of any unusual situation where you might be able to have a Male Calico cat? Explain how this might occur

6) Explain about how X chromosome inactivation takes place in mammals at the chromosomal and molecular level. What genes are involved in inactivating a x chromosome?

7) Why aren't Turners females who have one X chromosome phenotypically normal given that males only have one X and are normal and all female mammals inactivate one of their 2 X chromosomes leaving with one X just like Turners females and these females are also normal . Bur Turner's females are not normal. Why?

1) What is Dosage compensation as it relates to sex chromosomes

2) What is the Lyon's Hypothesis–Who is Mary Lyon's

3) What is a Calico Cat? and How does one of these cats look and What has happened to their X chromosomes to make them look that way

4) Explain why you can NOT typically have a Male Calico cat.

5) Can you think of any unusual situation where you might be able to have a Male Calico cat? Explain how this might occur

6) Explain about how X chromosome inactivation takes place in mammals at the chromosomal and molecular level. What genes are involved in inactivating a x chromosome?

7) Why aren't Turners females who have one X chromosome phenotypically normal given that males only have one X and are normal and all female mammals inactivate one of their 2 X chromosomes leaving with one X just like Turners females and these females are also normal . Bur Turner's females are not normal. Why?

Added by Alicia F.

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