Does this statement is a  example of a phenocopy? Explain your reasoning. Q. Vestigial wings in Drosophila are produced by a recessive mutation. This trait is also produced by high temperature during development

Which Position-effect variegation in Drosophila?

In addition to C. elegans and Drosophila, Zebrafish are also another model organism - and have a spine. We're interested in two phenotypes, a curved spine and a gene that causes skin tumors to form on the fish's skin. We'd like to know if we could use the curved spine as an indicator if a fish may develop tumors (if the genes are linked). We'll assume that each of these traits is controlled by a single gene where: a curved spine is the result of a dominant allele S (and a normal spine is the result of recessive alleless), ⚫ and tumor growth is the result of a recessive allele t (and no tumor growths are a dominant T allele). A testcross is performed with a fish that is heterozygous for both genes and the resulting progeny are given below. TtSs x ttss curved spine & no tumors curved spine & tumors normal spine & no tumors 27 45 normal spine & tumors 30 SUN 50 Are these two genes following Mendelian inheritance patterns? Use Chi-Squared analysis to test them. x2 = (0-6)² 1. X2 value:…

How can you envision using this new information? Discuss how things that we do to our bodies (smoking, recreational drugs, employment environments, stress levels, eating/drinking habits, etc.) can influence genetic expression in our future child(ren).