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List the factors believed to cause the wide variance between the maternal and
between the maternal and fetal PO2 and PCO2?
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- What is the geneticcondition in which theheterozygous individual hasdifferent phenotype from thehomozygous individual?Explain the mechanism of maternal effect inheritance at the molecular and cellular level.Give the typical sex-chromosome complement found in the cells of people with Turner syndrome, with Klinefelter syndrome, and with androgen-insensitivity syndrome. What is the sex-chromosome complement of triple-X females?
- Determine the justification for variation in the phenotypic expression of MERRF in identical twins.When an embryo is homozygous mutant for the gap gene Kr, the fourth and fifth stripes of the pair-rule gene ftz (counting from the anterior end) do not form normally. When the gap gene kni is mutant, the fifth and sixth ftz stripes do not form normally. Explain these results in regard to how segment number is established in the embryoExplain Maternal effect mutants affecting AP axis patterning
- In mammals, males often have greater variance in reproductive success than females, as a result of sexual selection. How will this alter the effective levels of allelic variation in genes on the autosomes, the X chromosome, the Y chromosome and the mitochondrial genome?Explain the underlying molecular mechanisms of incompletedominance, overdominance, and codominance.how can I Identify the source (mechanism) and types of increased mutations in older mother oocytes and older father sperm.