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Corn (Zea mays subsp - VCE - SSCE Biology - Question 35 - 2022 - Paper 1
Question 35
Corn (Zea mays subsp. mays) is a crop grown in Australia. The direct ancestor of corn is widely believed to be a wild grass known as teosinte (Zea mays subsp. parvig... show full transcript
Worked Solution & Example Answer:Corn (Zea mays subsp - VCE - SSCE Biology - Question 35 - 2022 - Paper 1
Step 1
In the selective breeding to produce modern-day corn, a trait that has been selected for is an increase in the number of:
Answer
The correct answer is C. seeds in the ear.
During the selective breeding process, one of the main goals was to increase the yield of corn. This was primarily achieved by selecting for traits that would lead to a higher number of seeds per ear, thereby maximizing the corn production. Increased seed count is advantageous for agricultural efficiency and food supply.