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stepan [7]
3 years ago
7

9. What are mutations, and how do they increase the genetic variation within a species?

Biology
1 answer:
leva [86]3 years ago
5 0

Mutations are changes that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.

They increase the genetic variation within a species because they can create entirely new alleles in a population, random mating, random fertilization, and recombination between homologous chromosomes during meiosis which reshuffles alleles within an organism's offspring.

HOPE THIS HELPS :)

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What two monosaccharides are formed when the lactase enzyme hydrolyzes lactose?
kolezko [41]

Answer: It is Glucose and Galactose

6 0
2 years ago
Which of these is the primary site of protein synthesis? mitochondria cytoplasm nucleus ribosomes
Murrr4er [49]

Answer:

A. Ribosome

Explanation:

Ribosome is a sub cellular structure, that is involved in protein synthesis.

Mitochondria is a sub cellular structure, where cellular respiration takes place, therefore it is called the energy house of the cell.

Cytoplasm is a jelly like structure in which sub cellular structures are found.

Nucleus is the main part of the cell in which all cellular activity is controlled by.

It contains DNA and RNA.

Nucleus is mostly known for it's thread like structure that contains hereditary information which is passed from parents to offspring.

Hope it helps ;) ❤❤❤

9 0
3 years ago
Read 2 more answers
8. Crossing over is an exchange of corresponding segments between nonsister
prisoha [69]

The main benefit of crossing over is that it increases genetic diversity.

<h2>Crossing over and Genetic Diversity</h2>

Crossing over ensures that the daughter cells produced are genetically more diverse than their parent cells.

The exchange of chromosomal segments makes the chromosomes of the daughter cells to be more sophisticated than that of their parents.

Increased genetic diversity in daughter cells increases their chances of survival as more genes are present in their genomes that could potentially make them more adaptable to the environment.

In summary, crossing over increases genetic diversity and genetic diversity increases the chances of survival in the face of changing environment.

More on genetic diversity can be found here: brainly.com/question/1446827?referrer=searchResults

5 0
2 years ago
nucleic acids and carbohydrates are both types of what? A. Elements B. Atoms C. Proteins D. Macromolecules
quester [9]
They are types of macromolecules.
3 0
2 years ago
Read 2 more answers
It has been hypothesized that fungi and plants have a mutualistic relationship because plants make sugars available for the fung
Lilit [14]

Option (B) Radioactively labeled sugars produced by plants eventually show up in the fungi with which they are associated is correct.

The best evidence in support of this hypothesis is that radioactively labeled sugars produced by plants eventually show up in the fungi with which they are associated.

<h3>How Fungi and plants are related? </h3>
  • The first is that they are both eukaryotic, which means that their cells have a nucleus and membrane-bound organelles, and that they both belong to the Eukarya domain.
  • They are both immobile, have cell walls, and are frequently multicellular, meaning they are made up of several cells.
  • Mycorrhizae are plant and fungal symbiotic relationships.
  • As fungi infiltrate a host plant's root system, the plant's capacity to absorb water and nutrients increases, and the fungus has access to the plant's photosynthesis-produced carbohydrates.
  • According to computational phylogenetics, fungus and other eukaryotes are more closely related to one another than plants are to us.
  • The clade of mammals and fungi known as opisthokonta is named for a solitary, posterior flagellum that existed in their most recent common ancestor.

Learn more about Fungi here:

brainly.com/question/1261179

#SPJ4

5 0
1 year ago
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