In a test cross, peas of an unknown genotype are crossed with peas of a known genotype. in this example, smooth peas are the unknown and wrinkled peas are the known (rr). if half of the offspring from that cross are smooth and half are wrinkled, what is the genotype of the unknown plant?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome