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a) Fruit flies that are trisomic for chromosome 2 are usually inviable, and dont survive beyond early embryo genesis. Fruit flies that are trisomic for chromosome 4 are usually viable, ofteneven fertile. Give an explanation for this. b) Colour blindness in human beings is an X-linked trait. A man who […]

A particular Drosophila female that is wild-type in appearance is known to be heterozygous for the three recessive mutations black body (b), curved wings (c) and purple eyes (p). When this female is testcrossed, the following progeny result:Black body, purple eyes – 27Curved wings -23Black body, curved wings – 361Purple […]

Question: Phrenology is a long-discredited “science” that purported to link bumps on the head to personality traits. Phrenology did, however, foreshadow a major concept in physiological psychology that’s still valued today; early findings in support of this came from the studies of Dr. Paul Broca, and the effects of Phineas Gage’s […]

Choose 1 condition from the body systems covered throughout the module. Give a brief description, discuss the cause and pathogenesis (with emphasis on the nutritional understanding of these), outline a nutritional treatment strategy, and design a dietary programme specifically beneficial to the condition. Provide a sample one-day menu plan. Rationalise […]