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Chapter 12, 13, 14
In-Class Handout review
15
Biology
Undergraduate 1
12/08/2011

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Cards

Term
A chromosome contains many genes that are transcribed into different __
Definition
RNA's
Term
An RNA molecule is typically __ stranded.
Definition
single
Term
Most codons specify a(n) __
Definition
amino acid
Term
How many codons constitute the genetic code?
Definition
64
Term
translation occurs in the __
Definition
cytoplasm
Term
which is not a nucleotide base in DNA
Definition
uracil
Term
What are the base-pairing rules for DNA?
Definition
A-T
G-C
Term
DNA replication requires __
Definition
Template DNA
DNA polymerase
free nucleotides
Term
DNA synthesis occurs only in the __ direction
Definition
5'-3'
Term
Which are purines
Definition
Adenine
Guanine
Term
The __ of chromosomes in a cell are compared to construct karyotpes
Definition
lenght, shape, and centromere location
Term
The __ determines sex in humans.
Definition
SRy gene
Term
If one parent is heterozygous for a dominant autosomal allele and the other parent does not carry the allele, a child of theirs has a __ percent chance of beig heterozygous.
Definition
50
Term
Color blindness is a case of __ inheritance
Definition
X-linked recessive
Term
The karyotype of Klinefelter syndrome is __
Definition
XXY
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