Biology/two-trait test cross
Advertisement
Question
what is the result of a two trait testcross if one is heterozygous for two traits?
I assume that the other is homozygous. Look at an example
Flowers
Let R= red and r = white
Let T = tall plant and t = short plant
Cross RrTt x RRTT
RT Rt rT rt
RT RRTT RRtt RrTT RrTt
Result Red Tall 3-1
Related Articles
Biology
Answers by Expert:
Walter Hintz
Expertise
Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.
Experience
I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.
Publications
The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association
©2012 About.com, a part of The New York Times Company. All rights reserved.