You are a lab assistant working with drosophila. you suspect that vestigial-winged flies may have contaminated a vial of wild-type flies. you know that vestigial wings are recessive to the wild type. the best way to tell whether a male fly with normal wings taken from the questionable vial is homozygous wild type is to mate it to females that you know are the male is homozygous wild type if

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes