gene, section of DNA that codes for a characteristic, allele, alternative form of a gene, histone, protein which DNA wraps round, chromosome, coiled DNA in the nucleus, zygote, fertilised egg, gamete, sex cell, XY, sex chromosomes in a male, XX, sex chromosomes in a female, homologous chromosomes, chromosomes that are the same size, where one has come from each parent , haploid, a cell with half the amount of genetic information e.g. a sex cell, diploid , a full set of genetic information e.g. a body cell, fertilisatio, when gametes meet.

Inheritance

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恢復自動保存: ?