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paper two
inheritance, variation and evolution
DNA and the genome
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⋆˚࿔ esther𝜗𝜚˚⋆
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Cards (7)
What is DNA?
A chemical
polymer
that is
genetic
material, inside the nucleus of a cell.
What is a gene?
A small section of
DNA
that codes for a particular sequence of
amino acids
, to make a specific
protein
.
What is a chromosome?
A
thread-like
structure, made of DNA, that contains many
genes
.
What is a genome?
The entire
genetic
material of an organism.
What were the main objectives of the human genome project? DIM
Disease
Inheritance
Migration pattern
What is the structure of DNA?
Made up of 2
polymer
strands, forming a
double helix
.
Made up of repeating
nucleotide
units.
Has
complementary
strands that are linked -
TA CG
What are nucleotides made of?
A
phosphate
A
base
A
sugar