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adelina 88 [10]
3 years ago
5

In what phase of meiosis are tetrads separated as homologous chromosomes are pulled to opposite poles of the cell?

Biology
1 answer:
mafiozo [28]3 years ago
5 0
A. Metaphase I  b. Metaphase II<span>c. Anaphase I 
</span>
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The suncoast tree of northwest Africa is known for 2 traits that are said to show simple dominance. The 2 traits are height and
ivann1987 [24]

The genotypes would be bbTT X BbTt

Assuming that bark color is represented by B (b) allele and height is represented by T (t) allele.

Since the traits show simple dominance: blue (B) of dominant over purple (b) and tall (T) is dominant over short (t)

  • The genotype of a tree that is purebred purple (bb) and tall (TT) would be bbTT
  • The genotype of a tree that is heterozygous for both trait would be BbTt
  • Thus, the cross would be bbTT x BbTt

More on genotypes can be found here: brainly.com/question/20730322?referrer=searchResults

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2 years ago
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Leya [2.2K]

I think its D because it requires more force to push something over a greater distance...but i could be wrong...

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Which of these is the best source of stem cells and minimizes the risk associated with stem cell transplantation
garri49 [273]
<span>The best source of stem cells which also minimizes the risk associated with stem cell transplantation</span>  are stem cells preserved from the umbilical cord of the person. <span>Stem cell transplant is the process in which diseased cells are replaced by the stem cells collected at the time of birth from umbilical cord blood or bone marrow.</span>
3 0
3 years ago
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Checkpoints are points between phases of the cell cycle at which a cell determines whether all the requirements necessary for ea
Sedaia [141]

Answer:

The correct answer is - at the G1/S phase and G2/M phase.

Explanation:

The G1/S transition phase or checkpoint is a phase where the cell cycle arrested if during the evaluation of the DNA found damaged or other factors including external factors. Due to this evaluation and inadequate conditions, the cell will not enter the S phase.

The G2/M phase or transition phase is a checkpoint which takes place just before the M phase that ensures that all replicated DNA is not damaged before entering mitosis phase or M phase.

Thus, the correct answer is - at the G1/S phase and G2/M phase.

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3 years ago
Please help me with this question
skelet666 [1.2K]

Answer:

osmosis is the movement of water molecules from a region of lower concentration to a region of higher concentration through a semi permeable membrane

Explanation:

note: osmosis only occurs in liquids

and a semipermeable is a membrane with very tiny holes that allows solvent molecules to pass through it readily but does not allow solute particles to pass through it

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3 years ago
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