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In a case of polyembryony if an embryo d...

In a case of polyembryony if an embryo develops from the synergid and another from the nucellus, then the synergid embryo is `ul((i))` and nucellar embryo is `ul((ii))`.

A

`{:((i),(ii).),("triploid","haploid"):}`

B

`{:((i),(ii).),("diploid","haploid"):}`

C

`{:((i),(ii).),("haploid","diploid"):}`

D

`{:((i),(ii).),("diploid","triploid"):}`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding polyembryony and the types of embryos formed from the synergid and the nucellus, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Polyembryony**: - Polyembryony is the phenomenon where more than one embryo develops from a single fertilized ovule. This can occur when embryos develop from cells other than the egg cell. 2. **Identifying the Source of Embryos**: - In this case, we have two sources of embryos: - One embryo develops from the synergid. - Another embryo develops from the nucellus. 3. **Characteristics of Synergid and Nucellus**: - **Synergid**: The synergids are haploid cells (N) that are part of the female gametophyte. When an embryo develops from a synergid, it will also be haploid. - **Nucellus**: The nucellus is the tissue that surrounds the ovule and is diploid (2N). An embryo developing from the nucellus will be diploid. 4. **Filling in the Blanks**: - Based on the information: - The synergid embryo is **haploid (i)**. - The nucellar embryo is **diploid (ii)**. 5. **Final Answer**: - Therefore, the synergid embryo is (i) **haploid** and the nucellar embryo is (ii) **diploid**. ### Summary of the Answer: - (i) Haploid - (ii) Diploid
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