Question

ⒽⒺⓁⓁⓄ ⒷⓇⒶⒾⓃⓁⓎ ⓊⓈⒺⓇ✨✨

DEFINE THE FOLLOWING TERMS::

1.ISOGAMOUS

2.ANISOGAMOUS

3.OOGAMOUS

4.HAPLONTIC

5.DIPLONTIC

6.HAPLO-DIPLONTIC

ⒷⓇⒶⒾⓃⓁⓎⓈⒸⒾⒺⓃⒸⒺ -ⓐⓜⓐ①⑥✨✨


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Answer 1

Answer:

1.Isogamous :

The condition in which both male and female gametes are same in morphological appearance and we cannot distinguish them from each other.

e.g, Gametes of cladofora.

2.Anisogamous :

The condition in which male gametes and female gametes are different from each other in morphology and we can distinguish them as male and female gametes.

e.g, Gametes of algae.

3.Oogamous :

The condition in which female gamete is big & stationary and male gamete is small and motile.

e.g, Human gametes.

4.Haplontic :

Type of life cycle in which

dominant phase is gametophyte means haploid and only small phase during zygote formation is sporophyte means diploid.

e.g, Algae.

5.Diplontic :

Type of life cycle in which dominant phase is Sporophyte means diploid and only small phase during gamete formation is gametophyte means haploid.

e.g, Human.

6.Haplo-Diplontic :

Type of life cycle in which Both gametophytic and spotophytic phases are present in nearly same interval.

e.g, Bryophytes.

Answer 2

Answer:

1) Isogamous: Fusion between two gametes of similar size is called isogamous.

2) Anisogamous: Fusion between two gametes which are dissimilar in size is called anisogamous.

3) Oogamous: Fusion between one large, non-molitile female gametes and a smaller, molitile male gametes is called Oosgamous.

4) Haplontic: The haploid stage is multicellular and the diploid stage is a single cell, meosis is " zygote".

5) Diplontic: The diploid stage is multicellular and haploid gametes are formed meosis is " gametic".

6) Haplo-diplontic: multicellular diploid and haploid stages occur, meosis is "sporic".

Explanation:

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