Which of the following genotypes is homozygous?

A) RR
B) Rr
C) RY
D) Yy


A) RR

Biology & Microbiology

You might also like to view...

Some proteins that bind to DNA block transcription, whereas other proteins can activate transcription

Indicate whether the statement is true or false.

Biology & Microbiology

A chemical that binds to a cell to cause its activity to change is an example of which of the following elements of cellular communication?

A. a signaling cell B. a signaling molecule C. a receptor molecule D. a responding cell E. None of these choices are correct.

Biology & Microbiology

What is the vulva?

What will be an ideal response?

Biology & Microbiology

By the end of the 21st century, it is expected that the human population will:a

increase at the fastest rate in the highly developed countries. b. increase at the fastest rate in the less developed countries. c. increase at similar rates in all countries. d. decrease at similar rates in all countries. e. achieve zero population growth.

Biology & Microbiology