subject
Biology, 13.12.2021 22:50 carter283

In the 1800s and early 1900s, farmers and scientists were just learning that cross-breeding corn caused heterosis, allowing farmers to grow more corn per acre of land farmed. Two different varieties of corn were crossed reciprocally: Variety A yielded 20 bushels per acre and Variety B yielded 25 bushels per acre, and the resulting hybrid progeny corn produced 27 bushels per acre. What is the percent heterosis?

ansver
Answers: 2

Another question on Biology

question
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
question
Biology, 22.06.2019 07:00
Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.
Answers: 2
question
Biology, 22.06.2019 08:50
Iwill make you brainliest pleeze answer this fast i have to turn it in really soon brainliest promise easy question 6th grade ! a weather map shows a high pressure system with circles around it. what does this mean? a) an occluded front b) areas of equal altitude c) areas of equal pressure d) a stationary front
Answers: 2
question
Biology, 22.06.2019 09:30
Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn
Answers: 1
You know the right answer?
In the 1800s and early 1900s, farmers and scientists were just learning that cross-breeding corn cau...
Questions
question
Mathematics, 11.10.2019 02:30
question
Mathematics, 11.10.2019 02:30
question
Geography, 11.10.2019 02:30
question
History, 11.10.2019 02:30