Characteristics - A trait or feature about an organism. For example, hair colour or eye colour., Chromosome - A structure inside the nucleus made up of a tightly coiled DNA molecule., DNA - A double helix molecule which provides instructions for all the chemical processes required to build an organism., Allele - A version of a gene that an individual might have, Gene - A short section of the DNA molecule with instructions for a specific trait. They come in pairs., Inherit  - The way information about a trait or characteristic is passed from one person to their offspring., Nucleus - A central organelle of a cell which contains all the genetic matieral., Zygote - The bundle of cells formed when gametes fuse, Gamete - Specialised cells that contain 50% of the chromosomes of a normal cell, X chromosome - Two copies usually give a person female sex characteristics, Y chromosome - One copy is carried by people who usually develop male sex characteristics,

Year 9 Inheritance Match up

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