The shortening of the 5' prime ends are okay because of...
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Telomeres. They are the protective ends of our DNA. We can afford to lose
some of those.
Donor rule
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Blood can only be accepted if it does not carry foreign antigen. (A,B, and +)
,Allele combinations (pairs)
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1. When both are dominant. FF Homozygous dominant.
2. One of each. Ff heterozygous
3. When both are recessive. ff homozygous recessive.
Pleiotropy
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One gene influencing many characteristics Ex: Sickle cell anemia and PKU
Proto-oncogenes
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GO genes.
1. Promote cell growth and differentiation
2. Oncogenes-mutant forms of proto-oncogenes
Rh-factor
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, ++ and + - have Rhfactor
- - don't have Rh factor
-Can cause problems during pregnancy if the mother is Rh negative and
the fetus is Rh positive. Which is called Rh incompatibility. Problems don't
occur in first pregnancy, but they do in later pregnancies.
What type of bond joins two adjacent nucleotides?
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Covalent phosphodiester bonds.
What are limits of DNA polymerase 3?
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It can only build in 5' to 3' direction on the new strand formed.
Tumor suppressor genes
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STOP genes. They tell the cell to slow down.
1. Suppresses cell division
2. Act as either G1/S or G2/M control points.
Give this one a try later!
Telomeres. They are the protective ends of our DNA. We can afford to lose
some of those.
Donor rule
Give this one a try later!
Blood can only be accepted if it does not carry foreign antigen. (A,B, and +)
,Allele combinations (pairs)
Give this one a try later!
1. When both are dominant. FF Homozygous dominant.
2. One of each. Ff heterozygous
3. When both are recessive. ff homozygous recessive.
Pleiotropy
Give this one a try later!
One gene influencing many characteristics Ex: Sickle cell anemia and PKU
Proto-oncogenes
Give this one a try later!
GO genes.
1. Promote cell growth and differentiation
2. Oncogenes-mutant forms of proto-oncogenes
Rh-factor
Give this one a try later!
, ++ and + - have Rhfactor
- - don't have Rh factor
-Can cause problems during pregnancy if the mother is Rh negative and
the fetus is Rh positive. Which is called Rh incompatibility. Problems don't
occur in first pregnancy, but they do in later pregnancies.
What type of bond joins two adjacent nucleotides?
Give this one a try later!
Covalent phosphodiester bonds.
What are limits of DNA polymerase 3?
Give this one a try later!
It can only build in 5' to 3' direction on the new strand formed.
Tumor suppressor genes
Give this one a try later!
STOP genes. They tell the cell to slow down.
1. Suppresses cell division
2. Act as either G1/S or G2/M control points.
