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Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

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H

human genome project


1) An international study of the entire human genetic material

I

inheritance


1) characterisics/attributes acquired via biological heredity (genes) from the parents

N

nucleus


1) A part of the cell containing DNA and RNA and responsible for growth and reproduction

P

phenotype


1) The features expressed in an individual as the result of the action of he alleles present
(Edexcel GCSE SCience and Data Resource Book, UG005206)

R

recessive


1) An allele which is only expressed in the abscence of a dominant allele of the gene.
 (Adapted from Edexcel GCSE SCience and Data Resource Book, UG005206) 

2) An allele that produces its characteristic phenotype only when its paired allele is identical (another recessive allele)

S

sexual reproduction


1) Reproduction involving the union or fusion of a male and a female gamete

T

transgenic


1) Containing artificially inserted genetic material from another species

transplant


1) moving a named item (e.g. gene/organ) from one organism (the donor) to another (the recipient)

V

variation


1) an organism that has characteristics resulting from chromosomal alteration

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