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20 Cards in this Set

  • Front
  • Back

Alleles

Are different versions of the same gene.

Asexual reproduction

Reproduction involving only one parent organism.

Carrier

A person with recessive allele for a certain characteristic but who does not display the characteristic.

Chromosome

Threads of genes found in the nucleus of a cell.

Clone

Is a genetically identical to each other.

Cystic fibrosis

An inherited disorder affecting the digestive and repiratory system.

DNA (deoxyribonucleic acid)

The chemical that chromosomes are made of, it carries genetic information.

Dominant

An allele for a certain characteristic which will be displayed even if only one of the alleles is present.

Embryo

An unborn organism in the process of development.

Enzyme

A chemical in the body which speed up chemical reactions.


They made f proteins.

Gene

The material in the nucleus of the cell which controls the characteristics of an organism.

Heterozygous

Two different alleles of a gene are present.

Homozygous

Identical pairs of genes present.

Inherited

A feature passed from parents to their offspring in their genes.

Nucleus

The part of the cell containing genetic information.

Pre-implantation genetic diagnosis (PGD)

Embryos fertilised outside he body are tested for genetic disorders with only healthy embryos replaced into the uterus.

Protein

Long chains of amino acids used by the body to make new cells.

Recessive

An allele for a certain characteristic which will be displayed only if two copies of the allele are present.

Sexual reproduction

Reproduction involving genetic material from two parents.

Stem cells

Unspecialised cells which can develop into a variety of different cells.