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The effects of early feeding experiences on later food preferences were studied in guinea pigs. The animals were grouped five per cage, and each of the three groups was fed only one type of food-A, B, or C-for three weeks. Then they were tested individually to determine their food preference […]

A stock homozygous for three recessive autosomal genes, a, b,and c, not necessarily linked on the same chromosome, ismated to a stock homozygous for their dominant wild-typealleles. F1 females are then backcrossed to males of thehomozygous recessive parental stock and thefollowing cross results are observed: Phenotype Number Phenotype Number a […]

A. MICROBIOME 1) In the accompanying microbiome dataset 1, which includes the known 16SrRNA sequences of 5 different gut microbiota, identify which species the last sequence (seq5) corresponds to. 2) Identify a substring in each sequence of no more than 30 bases that uniquely distinguishes each species but comes from […]

Please address the following concepts: 1) Relating energy concepts to living things. 2) Discuss why energy is not recycled in an environment and why an ecosystem can only support a finite population of species. 3) Discuss our excessive consumption of energy and its implications upon future generations. 4) Use historical […]