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egoroff_w [7]
2 years ago
5

How are the chromosomes different in the cancer cells compared to normal cells?

Biology
1 answer:
gladu [14]2 years ago
3 0

Answer:

Genomic Instability

Explanation:

Normal cells have normal DNA and a normal number of chromosomes. Cancer cells often have an abnormal number of chromosomes and the DNA becomes increasingly abnormal as it develops a multitude of mutations.In contrast to normal cells, cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells, however not all changes cause cancer, they may be a result of it.

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Cross a person who does not have freckles and is heterozygous for dimples with a person who has
Alja [10]

Answer:

1. 1/2

2. 1/2

3. 1/4

Explanation:

Let the allele for freckles be A or a while that of dimples be B or b.

A person without freckles but heterozygous for dimples = aaBb

A person who has freckles (whose mother has no freckles) but no dimples = Aabb

      aaBb    x    Aabb

Offspring

4 AaBb - freckled and dimpled

4 Aabb - freckled and non dimpled

4 aaBb - non freckled and dimpled

4 aabb - non freckled and non dimpled

1. <em>Probability that the parents will have a dimpled child</em> = 8/16 or 1/2

2. <em>Probability that they will have a child with freckles</em> = 8/16 or 1/2

3. <em>Probability that they will have a child with freckles and dimples</em> = 4/16 or 1/4

<u>See the attached image for the Punnet's square analysis of the cross</u>

4 0
3 years ago
Which statement correctly compares nucleic acids and carbohydrates?
givi [52]

Answer:

The correct answer is They both contain carbon ,but only nucleic acid contain phosphorous

Explanation:

Carbohydrates are also called polyhydroxyaldehydes or polyhydroxyketones.Carbohydrates contain carbon,hydrogen and oxygen.For example glucose(C6H12O6).

   On the other hand nucleic are composed of nucleotides that contain nitrogen base,ribose sugar and phosphate group.

     The presence of phosphate group in the nucleic acid make it different from carbohydrate.

8 0
3 years ago
List several commercial applications of ethylene gas.
OlgaM077 [116]

Answer:

The commercial application of ethylene gas are as follows:

The ethylene gas are important for the early ripening of fruits.

The elongation of shoot can be done by ethylene gas.

The flower stimulation and swelling of stem can be achieved by the use of ethylene gas.

The leaf abscission of ornamental plants can be done by the use of ethylene hormone.

7 0
3 years ago
Read 2 more answers
Which of the following is not true about cells? 1)All living thing begins life as a single cell. 2)The cell is the basic unit of
icang [17]
The one that is true about cells is Number two. The cell is the basic unit of a structure and function of life. The cells are what makes us living things. All living things are made up of cells.
5 0
3 years ago
In many plants, variegated leaves (leaves with splotches, stripes, and other color variations) are a recessive trait, and solid
pishuonlain [190]

Answer:

Variegated leaves usually have one color on the inner part of the foliage and a second color along the edge or "margin." These are some of the best examples of plants with bi-colored foliage that you can include a few in your landscaping to spice up your flower beds.

C

Explanation:

8 0
2 years ago
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