DNA FINGERPRINTING. Monday Jan 25 SW describe how techniques such as DNA fingerprinting, genetic modifications, and chromosomal analysis are used to study.

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Presentation transcript:

DNA FINGERPRINTING

Monday Jan 25 SW describe how techniques such as DNA fingerprinting, genetic modifications, and chromosomal analysis are used to study genomes.

Avg Shared DNA

Environmental Influence on inherited traits

Sex-Influenced and Sex-Limited Traits Sex-influenced traits are those that are expressed differently in the two sexes. Such traits are autosomal, which means that the genes responsible for their expression are not carried on the sex chromosomes.sex chromosomes

Drugs and Chemicals The presence of drugs or chemicals in an organism's environment can also influence gene expression in the organism.

Temperature and Light In addition to drugs and chemicals, temperature and light are external environmental factors that may influence gene expression in certain organisms.

Human Genome The human genome is the complete set of nucleic acid sequence for humans (Homo sapiens), encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria.

Human Genome