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kati45 [8]
3 years ago
14

WILL MARK BRAINLIEST

Biology
2 answers:
Vilka [71]3 years ago
5 0

Answer:

a: prophase

b: metaphase

c: anaphase

d: telophase

spayn [35]3 years ago
3 0

Answer:

The correct labels are :

Label A  prophase

Label B metaphase

Label C anaphase

label D telophase

Explanation:

Mitosis, a method of cell division which complete in four different phases. These phases are prophase, metaphase, anaphase and telophase. In the given question the correct labels are: A-prophase; B-metaphase; C-anaphase and D-telophase. Mitotic division is begins with prophase in which chromatin threads condense and called chromosomes. During metaphase all the chromosomes get arranged in the central plane. In the anaphase, the sister chromatids of each chromosome gets separated and move to the opposite pole. In the telophase the spindle breaks from the chromatids and begins to disappear. The nuclear membrane starts to form around each of the daughter chromosomes.

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viktelen [127]

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(iii)Radiometric dating methods

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Explanation:

Hope it helps :)

3 0
3 years ago
g Two closely related species of plant (A and B) hybridize to form a new species (C). Species A is diploid and has 8 chromosomes
Aleks04 [339]

Answer:

allopolyploidy

Explanation:

Polyploidy is the condition by which a cell might have more than two chromosome sets that form homologous pairs. It might occur due to a failure or abnormality in cell division.  

Autopolyploidy

Refer to a type of polyploidy in which an organism has more than two copies of homologous chromosomes. It results from the duplication of a group of chromosomes of the same species. Autopolyploid individuals have <u>at least three groups of homologous chromosomes</u>. Autopolyploidy is produced by the<u> gamete fusion of the same progenitor - same species</u>-, duplicating the number of chromosomes of diploid species. The autopolyploid cell has groups of homologous chromosomes. Autopolyploidy is produced mainly due to non-disjunction during meiosis.

Allopolyploidy

Refer to another type of polyploidy in which species have more than three sets of chromosomes in their cells. Allopolyploidy <u>occurs when two different species mate</u>, leading to the fusion of gametes that belong to different species and produce a new hybrid. The chromosomic complement has more than two copies of chromosomes. The hybrid is infertile with the parental species. The allopolyploid cells have chromosome groups that are not homologous.  

In the exposed example two different species mate and produce a hybrid species.

8 0
3 years ago
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11111nata11111 [884]
To reproduce (asexually). Most unicellular organisms only live for mere hours. The best bet for the species to survive and thrive as a whole is for them to reproduce, or replicate. 
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mylen [45]
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8 0
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slava [35]
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7 0
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