During a manual pea cross, pollen taken from the anther is placed on which organ of the recipient plant?
AStigma
BSepal
COvule
DRunner
Answer & Solution
Correct answer: A. Stigma
1. Pollen is transferred by hand from the anther of one variety to the second variety.
2. It is placed on the stigma, a sticky organ that traps pollen.
3. From the stigma the sperm travel down the pistil to the ova below.
4. Sepals, ovules and runners are not the landing surface for pollen.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 12 "Mendel's Experiments and Heredity", section 12.1 Mendel's Experiments and the Laws of Probability_
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