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Lyrx [107]
3 years ago
13

How does a good experimental conclusion differ from an inference

Biology
1 answer:
Lady_Fox [76]3 years ago
6 0
A conclusion is a final answer backed by evidence. An inference is a reasonable guess.
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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
2 years ago
Which sugar is a component of adenosine triphosphate
Korvikt [17]
Ribose is a simple sugar at the center of adenosine triphosphate (ATP). It's the same sugar that makes up RNA.
6 0
3 years ago
Read 2 more answers
What are some products that can be made using the processes of lactic acid and
Ugo [173]

Answer:

lactic acid ferm = lactate and cellular energy

alcohol ferm = acetylaldehyde then ethanol and co2

6 0
2 years ago
UL PLE CHOICE
rewona [7]

Answer:

Explanation:

whatt?

UL PLE CHOICE

ADENINE

This molecule is

NH

3 PHOSPHATE GROUPS

H.CO

Oo

-p-o-p-o

6-40

-60

OH OH

RIBOSE

Q Zoom

7 0
2 years ago
In Drosophila, grey body is dominant to black, and long wings is dominant to short wings. Two unlinked pairs of alleles, G/g and
vladimir2022 [97]

Answer:

  1. GgLl    x    Ggll ---> grey long x grey short
  2. Ggll    x    Ggll ---> grey short x grey short
  3. GgLL    x    ggLL   or   GgLL    x    ggLl ---> black long x grey long
  4. GGLl    x    GGLl    or  GGLl    x    GgLl ---> grey long x grey long  
  5. GGLl     x     GGll    or   GgLL    x     GGll ---> grey short x grey long

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
6 0
3 years ago
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