Among the dihybrid crosses below, which will produce a 1:1 phenotypic ratio?

A) AA BB × aa bb
B) Aa Bb × Aa Bb
C) Aa Bb × aa bb
D) Aa BB × aa BB
E) AA bb × aa BB


D) Aa BB × aa BB

Biology & Microbiology

You might also like to view...

How do directional transport and efflux carriers work in auxin signaling?

What will be an ideal response?

Biology & Microbiology

Many plants have fungi in a close symbiotic relationship with the plant roots. These are

a. root nodules. b. mycorrhizae. c. parenchyma. d. sclerenchyma. e. stomata.

Biology & Microbiology

Which of the following statements is NOT

related to the first law of thermodynamics?

a. energy flow is from a high concentration to a low concentration. b. the amount of energy in the universe is constant. c. energy cannot be created or destroyed. d. energy can change from one source to another. e. the energy of the universe has existed forever.

Biology & Microbiology

Which structure delivers a signal from the motor neuron to all the sarcomeres of a muscle cell?

A) myosin filament B) filaments-line C) T tubule D) sarcoplasmic reticulum

Biology & Microbiology