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Alex
3 years ago
12

Genes are positioned on thread like bodies found in the nucleus of a cell. they are called

Biology
1 answer:
Yanka [14]3 years ago
5 0
Chromatin
Im not so sure
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What is phylenogeny?
skad [1K]

Answer:

the branch of biology that deals with phylogenesis

Explanation:

another term for phylogenesis

3 0
3 years ago
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Which types of organisms have a cell wall and which have a cell membrane.
Ratling [72]
All plants have a cell wall, all mammals have a cell membrane. a cell membrane is semi-permeable it allows mammal cells to absorb needed nutrients, oxygen and deposit waste into the blood stream where it is excreted through urine and feces. a plant cells nutrients are absorbed through the root system and leaves, waste is excreted in the form of oxygen through the plant itself.
6 0
3 years ago
Which components of the atom are found outside of the nucleus?
Phantasy [73]
Electrons are found outside the nucleus.
7 0
3 years ago
You are involved in an experiment involving fluorescent painting of chromosomes. You observe the following in a nucleus experien
Galina-37 [17]

Answer:

It seems that a reciprocal translocation is going on.

Explanation:

A translocation occurs when a chromosomal fragment changes its location in the same chromosome from the original to a new one. Or when it leaves the chromosome to re-locate in a new different chromosome.

According to this, there are different types of translocations:

  • Intrachromosomal translocations:
  1. Intra-radial: the change in position occurs in the same arm of the chromosome. For instance, 123.456789 → 123.478569
  2. Extra-radial: The change in position occurs from one arm to the other of the same chromosome. For instance, 123.456789 → 15623.4789
  • Extrachromosomal translocations:
  1. Transposition: not reciprocal interchange. The fragment leaves a chromosome to re-locate in another chromosome. The other chromosome does not send any fragment to the first one.
  2. Reciprocal translocation: There is a reciprocal interchange. A fragment of chromosome A goes to B, and a fragment of chromosome B goes to A.

Reciprocal translocations might be:

  1. Fraternal: the interchange occurs among homologous chromosomes
  2. External: the interchange occurs among non-homologous chromosomes

Reciprocal translocations are easily recognized during meiosis because an association between four chromosomes can be observed.  This association is a quadrivalent structure.

During metaphase 1, the centromeres involved in the quadrivalent originate centromeric co-orientation or disjunction.

4 0
3 years ago
2. How much does the average baby weigh when bom?
Alexus [3.1K]

Answer:

4 to 5 kg

not very certain in pounds 1b)

4 0
2 years ago
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