B1 (You and your genes) keywords

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Variation
Differences between individuals of the same species.
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DNA
Molecules that code for genetic information and make up chromosomes.
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Gene
A small section of DNA of a chromosome that determines a particular characteristic
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Chromosome
A long molecule found in the nucleus of all cells containing DNA.
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Nucleus
The control center of a cell, containing DNA
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Proteins
Large organic compounds made of amino acids.
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Allele
An alternative form of a particular gene.
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Homozygous
When a pair of alleles for a characteristic are the same.
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Heterozygous
When a pair of alleles for a characteristic are different.
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Genotype
The genetic make-up of an organism.
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Phenotpye
The characteristics shown by an individual.
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Sex-determining region Y
A sex-determining gene on the Y chromosome in humans and other primates.
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Huntington's disease
A hereditary, degenerative disorder of the central nervous system.
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Cystic fibrosis
A recessive hereditary disorder that mainly affects the lungs and digestive system.
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Fetus
An unborn human/animal baby.
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IVF
A technique in which egg cells are fertilised outside the female body
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PGD (Pre-implantation Genetic Diagnosis
Involves removing a cell from an embryo at an early stage of development and testing it for genetic disorders.
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Clone
An organism genetically identical to the parent.
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Asexual reproduction
New offspring are reproduced that are identical to the parents.
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Stem cell
A cell of a human embryo or adult bone marrow that has the ability to differentiate.
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Embryonic stem cell
A cell able to differentiate, originating from an embryo cell.
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Adult stem cell
A cell able to differentiate, originating from an adult cell
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Other cards in this set

Card 2

Front

Molecules that code for genetic information and make up chromosomes.

Back

DNA

Card 3

Front

A small section of DNA of a chromosome that determines a particular characteristic

Back

Preview of the back of card 3

Card 4

Front

A long molecule found in the nucleus of all cells containing DNA.

Back

Preview of the back of card 4

Card 5

Front

The control center of a cell, containing DNA

Back

Preview of the back of card 5
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