NEET BIOLOGY

GENETICS AND EVOLUTION

GENETIC BASIS OF INHERITANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is cross pollination?
A
When pollen from a flower fertilizes itself or another flower on the same plant
B
When pollen from one flower fertilizes a flower on a different plant
C
A plant whose offspring share the same traits as the parent
D
A plant whose offspring is genetically different from the parent.
Explanation: 

Detailed explanation-1: -Cross-pollination is the process of applying pollen from one flower to the pistils of another flower. Pollination occurs in nature with the help of insects and wind. This process can also be done by hand to produce offspring with desired traits, such as colour or pest resistance.

Detailed explanation-2: -cross-pollination, also called heterogamy, type of pollination in which sperm-laden pollen grains are transferred from the cones or flowers of one plant to egg-bearing cones or flowers of another.

Detailed explanation-3: -Cross-pollination is defined as the deposition of pollen grains from a flower to the stigma of another flower. Commonly, the process is done by insects and wind.

Detailed explanation-4: -The transfer of pollen grains from the anther of one plant to the stigma of another different plant is called cross-pollination. It is also called xenogamy. It occurs with the help of external agents called pollinating agents.

Detailed explanation-5: -Cross-pollination occurs when pollen from one plant fertilizes the ovules of another plant. Some plants cannot set viable seed without cross pollination, as is the case with broccoli and many apple cultivars.

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