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alexandr1967 [171]
4 years ago
6

Consider the example of sickle-cell anemia and the allele for the sickle-cell trait, and answer the following. True or false: Th

is is an example of stabilizing selection. It will decrease the genetic variation for this gene in the population.
Biology
1 answer:
SCORPION-xisa [38]4 years ago
3 0

Answer:

I think it would be sickle-cell trait because sickle-cell anemia is where your red blood cells are shaped in a creasent shape instead of a round shape. So this will cause clotting. I am not so sure about this question, but I think I would go with sickle-cell trait.

Explanation:

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Meiosis and mitosis are both types of cell division. Describe the function of each and the type of cells produced by each proces
Talja [164]
What is Mitosis?

"Mitosis is the cycle that eukaryotic cells go through in order to divide. During mitosis, a cell duplicates its DNA and divides into two genetically identical cells. 

Mitosis and cytokinesis are part of the mitotic phase of the cell cycle, which make up about 20 percent of the entire lifecycle of a cell. The end result of mitosis is two completely separate cells with equal and similar cellular components. "  


"Meiosis is the special cell division cycle for gamete cells, or sex cells. Chromosomes carry the genetic code for an organism, and come in pairs. In asexual reproduction, a cell will just divide itself to create two new cells.  In sexual reproduction, the parent provides one set of each chromosome, or half the genetic code for an organism. When the two parent donor gametes – typically an egg and sperm – meet in fertilization, they provide the offspring with the full set of necessary chromosomes. For example, humans require 46 chromosomes, or 23 pairs. An egg or sperm will have just 23 chromosomes, or one half of the pair. This makes gamete cell division more complex than ordinary cell division. Within this cycle, the number of chromosomes is halved, typically going from a diploid (two sets) to haploid (one set) cell. It also includes a step where the chromosomes cross, allowing for more genetic diversity in reproduction." 


- https://blog.udemy.com/meiosis-vs-mitosis/  = This info was from this site

Hopefully that helped, have a wonderful day :)


8 0
4 years ago
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An embryo with meroblastic cleavage, extra-embryonic membranes, and a primitive streak must be that of
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Where is skeletal muscle found?
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Your skeletal muscle is found between the bones
3 0
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Which pair of chromosomes determines sex in humans?<br> A.15th<br> B.1st<br> C.23rd
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8 0
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Dallas, Texas had an outbreak of West Nile virus, a virus spread by mosquitos, in 2012. In 2012, the mosquito population increas
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Answer:

1: Organisms that make energy are called producers.

Producers are the autotrophic or chemotrophic organisms which are capable of synthesizing their food either by photosynthesis or by chemosynthesis. In the process of photosynthesis organisms use sunlight as a source of energy to convert water and carbon dioxide into carbohydrates and oxygen. Also some simple organisms use chemical energy obtained by chemical inorganic substances and convert them as organic chemical substances to obtain them as food.

2: A decomposer recycles matter back into the food web and biogeochemical cycles.

A decomposer is an organic which feed upon dead decaying organic matter generated after the death of plants and animals. This process results in the simplification of organic matter into simpler substances which are again absorbed by the plants through soil.

3. The sun is the source of energy. The light energy from sun is converted into chemical energy in the form of food by the producers like plants.

4. The autotrophs are found at the base of a food pyramid.

The autotrophs are called as producers because they are capable of synthesizing their own food by the process of photosynthesis . The diversity of producers in nature is more as compared to other organisms therefore, it lies at the base of the food chain.

Explanation:

6 0
3 years ago
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