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ehidna [41]
3 years ago
5

What is the difference between Biogenous and Lithogenous?

Biology
1 answer:
kupik [55]3 years ago
6 0
<span>Lithogenous sediments are formed due to the weathering(wind, rain, freezing) process.This sediments consists consists of small particles of oceanic volcanoes and weathered particles as a result of ionic bond between the metals and silicate ions while b</span>iogenous sediments as the name suggests is as a result of insoluble remnants of past life such as both, teeth and shells.The main types of biogenous sediments are Calcareous (calcium carbonate) and <span>siliceous(silica).</span>
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What three processes lead to variation among offspring that have the same two parents?
beks73 [17]

Explanation:

Genetic variation in offspring during sexual reproduction is caused by

  • crossing over
  • independent assortment
  • randomized fertilization

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell.

  • crossing over:  the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined.
  • independent assortment in metaphase I of meiosis: chromosomes align independently and genes segregate independently into new combinations ...in humans 2n, n = 23, 8 million combinations of chromosomes possible
  • randomized fertilization: sperm cells fertilize an ovum to form a zygote. This occurs randomly by chance, to result in a complete set of chromosomes 2n, that is a novel combination of half each parent's number of chromosomes

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

9 0
3 years ago
I don’t know the answer to these
vodomira [7]

1 is most likely mutation

4 0
3 years ago
When does independent assortment occur
Goryan [66]
Independent Assortment <span>occurs in metaphase I.

</span>
6 0
3 years ago
Read 2 more answers
What treatment is being compared to the control in the experiment?
Anarel [89]

Answer: Interventional Study

Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study

5 0
3 years ago
Structure of bronchi definition
Korvikt [17]
The bronchi (singular: bronchus) are the airways that lead from the trachea into the lungs, and then branch into smaller bronchioles. Structurally, the bronchi are made up of cartilage that gives them stability and prevents their collapse.
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