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Black_prince [1.1K]
3 years ago
10

______ is a source of genetic variation that involves the swapping of sections of chromosomes during meiosis.

Biology
2 answers:
Zepler [3.9K]3 years ago
7 0

Answer:

crossing over

Explanation:

This occurs between prophase 1 and metaphase 1.

OverLord2011 [107]3 years ago
6 0

Recombination is a source of genetic variation that involves the swapping of sections of chromosomes during meiosis.

<u>Explanation:</u>

Cell division is of 2 types one is the mitosis division of body cells and meiosis that is division of germ cell. The meiosis involves production of haploid gametes, these gametes fuse with each other and form a diploid zygote, and accordingly the formation of gametes involves the mixing of 2 different cells with homologous chromosomes.

Recombination is the result of crossing over of cells. When these cells fuse they give rise to a new gamete with characters mixed from both the cells.

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The above shows the procedures of the Gram's staining method, The result and important of colour in differentiating the bacteria. A little insight into staining endospore.

Explanation:

Stainings is a reagent or dye used to stain microscope specimens so as to make some structures visible.

Peptidogycan is a derivative polymer of glycan and peptides found in bacterial cell walls and varies in compositional concentration from species to species.

Cell wall- A thick, fairly rigid, layer formed around individual cells of bacteria, Archaea, fungi, plants, and algae (but not animals and other protists which generally have cell membranes without cell walls). The cell wall is external to the cell membrane and serves a structural function helping the cell maintain its shape and protecting the cell from damage.

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