A Level Biology - Topic 3 - Voice of the genome

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• Chromatids sister cross meiosis draw process homologous chromosome
• Cell briefly give examples red blood root hair
• Linked genes eye x colour red white sex
• Made cell sacs eukaryotic organelles proteins endoplasmic vesicles
• Cell surface prokaryotic membrane circular dna site draw
• Early special organelles mitochondria chloroplasts dna origin symbiosis
• Er protein moves reaches vesicles ga cell list
• Sperm reaction motile ovum nucleus haploid chromosomes cytoplasm
• Sperm membrane reaction release acrosome ovum cells follicle
• Sperms suggest biological advantage man producing vast number
• Define homologous organisation number meiosis karyotype pair  meiosis
• Chromosomes meiosis homologous pair maternal paternal replicated form
• Traits linked chromosome genes makes closely loci close
• Cell dna phase gap synthesis draw labelled cycle
• Chromosome structured hold chain deoxyribo nucleic acid dna
• Chromatids spindles opposite poles form sister cell separate
• Nucleus hats cell algal intermediate describe experiment joachim
• Cell mammary creation dolly show somatic full copy
• Gene switched enzyme bind lactose repress molecule operator
• Expressed genes switched bind operator regulator eukaryotic unexpressed
• Population reproduction parents gametes produced offspring genetically environmental
• Cells stem zygote totipotent turn specialised plant describe
• Cells stem pluripotent scientific ipsc growing tissue transplants
• Cells stem eggs fertilised s pluripotent w embryo
• Bb genes genotype offspring gamete combinations alleles trait
• Expression dna markers epigenome modification epigenetic histone wound
• Mother's mice epigenetics protein blood levels describe examples
• Concerns traits continuous discontinuous variation limit weight bmi
• Skin melanocyte melanin pigment nucleus uv exposure triggers
• White summer hair areas coat msh melanin fox
• Cell cycle tumour genes p53 suppressor cancer types
• Dna cancer risk inherit high skin cell mutations
• Root tip cut anaphase squash observe stages mitosis

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