Wednesday, March 6, 2013

Heredity intro

Well I am back and we are chugging through this looong chapter!!  Friday and Monday of last week you took your open notes quiz then started into some book work on the next section.  Tuesday I had you finish up the book work and then today we started into discussion on this.  Here is what today was like. 
Wednesday March 6th  
Hair color in humans is inherited, while language is not.   Of these two traits, which property does only hair color have?  
A.It is genetically encoded,
 B.  it provides a survival benefit,
C.  it remains the same over time,
 D.  it has existed for many generations


žDuring meiosis you will pass on ONE of your TWO  alleles to your offspring.

žIf you have a dominant and a recessive allele, which of those do YOU express? The Dominant Allele
ž
Explain how you could have a child that expresses a recessive trait (for instance blue eyes) that you and their other parent does NOT express.
If you have both the dominant and recessive allele, you will EXPRESS the dominant allele but could pass down your recessive allele.  If you do that as well as the other parent, you could have a child that expresses a recessive trait that neither parent does)

After this we went through a couple slides of notes but not very far seeing as we had a two hour delay.  more to come tomorrow!

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