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Question: A couple’s only child has Down Syndrome. An examination of the child’s karyotype reveals that he has 46 chromosomes per cell, but that one chromosome is unusually large, and appears include large portions of chromosome 14 and chromosome 21. The couple fears that if they have another child, it […]

Question: A heterozygous round seeded plant (Rr) is back crossed with a homozygous round seed plant (RR). what are the proportions of the genotype and the proportions of the phenotype? show the punnet square please! Question: Given two 0.1 M solutions of acetic acid and sodium acetate, how much of each solution […]

Question:Procedure 1. Begin by examining muscles found in the upper limbs. First, extend your forearm so you have a clear view of your hand. What muscle is required to perform this extension? Extend your fingers out so they are straight and splayed apart. Then, retract your fingers into a tight […]

South Mountain Park in Phoenix, AZ, is the largest city park in the US. Among other fancy things, it is notable for its population of Chuckwallas, with the highest density reported. Unique to this population is the male phenotype with orange tails. South Mountain can sometimes be viewed as an […]