In a species showing sporophytic incompatibility, which
type(s)...

Question

In a species showing sporophytic incompatibility, which 
type(s) of pollen could successfully fertilize an S2S3 flower?
(A) S1 pollen from an S1S3 flower
(B) S2 or S3 pollen from an S2S3 flower
(C) S3 pollen from an S1S1 flower
(D) S1 pollen from an S1S1 flower

Accepted Answer

Hello everyone here we have a question that says in a plant showing sport prophetic incompatibility, which one of the fallen crosses is successful in producing a zygote. Sport prophetic. Self incapability is a type of income stability that prevent self fertilization and favors cross fertilization, basically it doesn't like the same oval belonging to the same genetic makeup because it's less diverse. So let's look at our options. S. One pond from S. One S. One flowers and the oval of S. One S. One flowers. That is not successful because pollen and ova will belong to the same genetic makeup. Because we have S. One S. One B. S. One pollen from S. One S. One flowers and an audio. You'll from S. To S. Three spa hours. This successful because pollen, the S. One belongs to a different plant with different genetic makeup and the oval which is going to come from S. Two or S. Three belongs to a different plant. So that is favorable CS. Two pond from S. To S. Three flowers. And the oval from S. To S. Three flowers. This is unsuccessful because the pollen S. Two and the oval S. Two. Or S. Three belongs to the same plant. And we want diversity D. S. Three pollen from S. One, S. Three flowers and the oval of S. Three. S. Three flowers. This is unsuccessful because the pollen S. Three. And the oval S. Three produced from S. Three S. Three flowers will be the same genetic makeup that is unfavorable. So our answer here is B. S. One pollen from S. One S. One flowers and the oval of S. Two S. Three flowers is successful in producing as I dote. Thank you for watching. Bye!

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