Passageway from the epididymus to ejaculatory duct

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast