quiz 11 g

What is the correct gene order for the fruit fly cross involving white eyes (w), black back (b), and ebony legs (e)?

b, e, w

What is the genetic distance between genes b and e?

13

When an F+ strain is mixed with an F- strain, the F- becomes F+ whereas the F+ becomes F-. True or False?

False

If an Hfr E. coli strain containing the F factor with tetracycline resistance mates with an F- tetracycline-sensitive strain, what is the most likely outcome?

the F- strain will remain F- and tetracyclin sensitive

If mutations occur at a frequency of 1/10^4 per cell division, how frequently would Met+ bio+ thr+ leu+ thi+ convert to Met- bio- thr+ leu- thi+?

1/10^12

In an interrupted mating experiment between an Hfr strain (leu+ thi+ lac+ ampR phe+) and an F- strain (leu- thi- lac- ampS phe-), what is the correct gene order?

leu phe thi lac amp

A scientist clones the coronavirus spike S protein gene into a lentiviral vector, then mixes the DNA with human cells so the S protein can be expressed. What is the last process called?

Transformation