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Blood Bank Exam 1 Lecture 3
Blood Bank Exam 1 Lecture 3 Study Material
14
Biology
Undergraduate 3
01/21/2015

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Term
Each nucleus is composed of how many chromosomes?
Definition
46
Term
Each chromosome is composed of thousands of genes which always occupy the same position on the chromosome. This position for a gene is called what?
Definition
the locus
Term
Alleles
Definition
Alternate forms of a gene at any given point or locus
Term
Mitosis
Definition
When division is needed for cell replacement, the cell must reproduce its chromosomes so the daughter cell is IDENTICAL to the parent cell
Term
Meiosis
Definition
Newly formed embryo gets half the genes from the father and half from the mother
Term
Amorph
Definition
A gene that produces no visible effect
Term
Genotype
Definition
Allelic genes that a person carries
Term
Phenotype
Definition
Observable effect produced by genes
Term
The purines in DNA are
Definition
Adenine and Guanine
Term
The pyrimidines in DNA are
Definition
Thymine and Cytosine
Term
DNA unfolds and nucleotides for ______ align themselves along one of the DNA strands based on complementary base pairing
Definition
mRNA
(Messenger RNA)
Term
How many adjacent nucleotides code for a specific AA to build a specific protein?
Definition
3
Term
True or False:
Some codons do NOT code for an AA but regulate or tell protein formation when to start or stop
Definition
True
Term
True or False:
Any rearrangement in the gene sequence or deletion of a gene will result in entirely different proteins being produced
Definition
True
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