Which phenotypic ratio is likely to occur in crosses of two completely dominant, independently segregating gene pairs when both parents are fully heterozygous?

A) 1:1:1:1 B) 3:1 C) 2:4:6:8 D) 9:3:3:1 E) 3:2:3:1


Answer: D

Biology & Microbiology

You might also like to view...

Exchange of materials between blood and tissues depends upon ____

a. high capillary blood pressure b. high capillary resistance c. lack of capillary pores d. slow capillary blood flow e. active transport processes

Biology & Microbiology

Nuclear division in which the chromosome number is reduced from 2n to n is part of the lifecycle of all of the following organisms except

A. Molds B. Ferns C. Insects D. Bacteria E. Protozoans

Biology & Microbiology

Compare and contrast cyclic and noncyclic photophosphorylation

What will be an ideal response?

Biology & Microbiology

Which enzyme initially fixes carbon in C3 plants

A) stroma B) outer chloroplast membrane C) thylakoids D) rubisco

Biology & Microbiology