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DNA + Inheritance
14/05/2023
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4-3 DNA structure: Good DNA is constructed from Brod 2 long chains of as alternating sugar and phosphate OBOD bood bond DNA and inheritance G = D C = A=D T=B the base pairs are: → A (adenine) and I (thymine) → G (guanine) and C. (cuptosine) triplet code: 7 1 → reading down the chain the order of the bases. forms a triplet cade, in this case TAG the triplet of bases will code for a particular aming acid. + chains of amino acids form protiens this is how DNA codes for the structure of different protiens. Genetic Profiling : used to compare DNA, used In: * criminal cases. paternity cases comparing species for classificate how is a genetic profile made? ★ @isolation: seprating DNA from Cutoplasm. Ⓒ fragmentation an enzyme is used to cut the DNA into short lengths or fragments. 3 separation: the DNA is placed in a well at one end of a layer of gel, electrical current separates the fragments... according to their size.. 4 camarison: the pattern of the fragments is compared to other samples. Genetic Modification. allows genetic material from one organism to be transferred into the DNA of another organism advantages genes for disease resistance can be transferred to increase crop yeild + herbicid resistance can be added. to increase yeild as only weeds di Disadvantages: • unknown long term effects of modified genomes * unknow health effects of eating modified organism. Sex determination: male xy ♂ sex inheritance of chromosomes can shown by punnet square be father mother x x female xx 오 shows us that there is a 50/50 XX Yxyxy chance of male or female x XX Punnet...
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Alternative transcript:
Squares: recessive allele: lower case letter dominant allele: capital letter homozygous: the alleles are the same. heterozygous: the alleles are different