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trapecia [35]
3 years ago
13

Which type of asexual reproduction involves duplication of the parent DNA before dividing itself into two?

Biology
1 answer:
Kipish [7]3 years ago
7 0

Answer:

binary fission - asexual reproduction by a separation of the body into two new bodies. In the process of binary fission, an organism duplicates its genetic material, or deoxyribonucleic acid (DNA), and then divides into two parts (cytokinesis), with each new organism receiving one copy of DNA.

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What type of mutation in nucleotide 4 would produce the same amino acid?
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Most likely a silent mutation. Silent mutations are mutations in DNA that do not have an observable effect on the organism's phenotype because the same amino acid is produced regardless of the change in the nucleotide sequence by the mutation.
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3 years ago
True or false the consumption of irradiated food during pregnancy can cause birth defects
guajiro [1.7K]

Consumption of irradiated food during pregnancy can cause birth defects is false.

<h3>What are birth defects?</h3>

Birth defect in pregnancy are the structural or functional abnormalities occur during intrauterine stage. It can be detected either prenatally or in infancy state.

The primary causes are genetic, Socioeconomic, Environmental and other factors.

Chromosomal abnormalities and single gene defects are the major genetic abnormality based birth defects, such as Down syndrome and cystic fibrosis etc.

When parents are related by their blood group can also leads to high risk of rare  genetic birth defects.

Hence, the statement is false

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8 0
1 year ago
Why is cell divison important for both unicellular and multicellular organisms​
vagabundo [1.1K]

Cell division allows for the growing of new cells. With a unicellular organism, cell division would be the cell's way of reproducing or multiplying, in other words, surviving. Within a multicellular organism, cell division is the organism's way of replacing old, damaged, or dead cells. Within multicellular organisms, cell division also aids in growth.

7 0
3 years ago
Pollen develops from the mitotic division of microspores. given this information, to which specific stage in a heterosporous lif
miv72 [106K]

The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.

<h3>What are pollen grains?</h3>

Pollen are very important in the propagation of a flower. They need to be involved in the process of fertilization. As a matter of fact pollination is the transfer of pollen grains from the anther to the stigma of a flower.

Now we can see that there are various stages in the development of pollen. The mitotic division of microspores belongs to the gametophyte stage of the life cycle of the pollen.

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4 0
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What types of resources might offspring compete for and with whom?​
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Adult films especially the actor Lana rhoades
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