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aev [14]
3 years ago
8

Which of the following is the best physical description of a gene

Biology
2 answers:
Dmitrij [34]3 years ago
5 0

Answer:

It is a part

Explanation:

Paul [167]3 years ago
3 0

Answer:

A gene is a specific segment of DNA on a chromosome.

Explanation:

If you are in OLS this is the answer I took the test.

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Which of the earth systems does NOT transfer energy through convention cells
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It’s most likely conduction.
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Consider the abbreviated model of meiosis and the four gametes produced at the completion of meiosis II. Imagine that these game
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The right answer is A) Trisomy

Aberrant karyotypes containing an abnormal number of chromosomes are known in the human species. The best-known (and most common) chromosomal abnormality is trisomy 21, which is responsible for Down syndrome (mongolism). There are others such as Turner syndrome (woman with a single X chromosome) or Klinefelter syndrome (man XXY).


These abnormalities originate from the non-disjunction of the chromosomes of a pair of homologues during metaphase I of meiosis. At the end of division I, a daughter cell contains the two chromosomes of the pair considered and the other cell does not contain a chromosome of this pair. A similar result can be obtained during a bad distribution of chromatids during anaphase II.


After fertilization from a gamete of this type, a trisomy or a monosomy is obtained.

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Powerhouse of the cell, makes and stores ATP out of sugar
Serjik [45]

Answer:

mitochondria

Explanation:

mitochondria makes energy from glucose and water

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3 years ago
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The hydrosphere refers to the total amount of water on Earth, including liquid, gas, and solid forms. Which is one way the hydro
zalisa [80]

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A hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet's hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers.

Explanation:

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A snapping turtle has 52 chromosomes which statement correctly compares the number of chromosomes in a body so with that in a se
dalvyx [7]

Answer:

The question lacks options, the options are:

A). the body cell has 2n; the sex cell has 1n.

B). the body cell has 26; the sex cell has two.

C). the body cell has 1n; the sex cell has 2n.

D). the body cell has 24; the sex cell has 26

The answer is A

Explanation:

According to the question, the snapping turtle possesses 52 chromosomes in its cell. This means that the chromosomal number of its body cell is 52. However, the turtle, which reproduces sexually will produce gametes or sex cells via meiosis. Meiosis is the kind of cell division that results in daughter cells (gametes) that have a reduced number of chromosomes (by half).

Based on this, the diploid cells (2n) of the turtle with chromosome number 52 will undergo meiotic division to produce haploid gametes or sex cells (n) with chromosome number 26.

N.B: Diploid (2n) means two complete sets of chromosomes while haploid (1n) means one complete set of chromosome.

The body cell of the turtle contains two set of chromosomes received from each parent, hence, making it Diploid (2n). However, meiosis will reduce the chromosome number to one set in each gamete i.e. haploid (n).

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