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tino4ka555 [31]
3 years ago
15

Hi guys good morning :) this is easy so if you could help me that would be awesome <33

Biology
1 answer:
PIT_PIT [208]3 years ago
5 0

Answer:

<em>B.) Comet</em>

Explanation:

I kno it.

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4. What genotypes of parents will have only white-fur offspring? Parent 1 genotype = Parent 2 genotype = What genotypes of paren
AnnZ [28]

Answer:

All white offspring: Parent 1 genotype = homozygous dominant

                            Parent 2 genotype = homozygous/heterozygous dominant

For all black offspring: Parent 1 genotype = homozygous recessive

                                     Parent 2 genotype = homozygous recessive

Explanation:

The cross was between a white mouse and a black mouse and the phenotypic ratio of the resulting offspring is 50% white and 50% black.

Assuming that fur color in the mouse is represented by the allele A (a), In order to give 1:1 phenotypic ratio of the offspring, it means the white mouse is heterozygous with Aa genotype and the black mouse is homozygous with aa genotype. Also, it means that the allele A is dominant over the allele a.

                       Aa    x    aa

                 Aa    Aa    aa    aa

Aa = white

aa = black

Ratio of white to black = 50/50 or 1:1

Hence, in order for a cross to yield only white offspring, the parents can either be homozygous AA and AA or one will be homozygous AA and the other will be heterozygous Aa.

1.              AA    x    AA

       AA    AA    AA    AA (all white offspring)

2.            AA    x    Aa

        AA    Aa    AA    Aa (all white offspring).

In order to produce only black offspring, both parents must be homozygous aa.

             aa    x    aa

         aa    aa    aa    aa    (all black offspring)

4 0
3 years ago
Definitive diagnosis of multiple myeloma includes the triad of bone marrow plasmacytosis, lytic bone lesions, and:_______
Ahat [919]

Answer:

Serum or urine components

Explanation:

Multiple myeloma is the cancer developed in the plasma cell that is a kind of white blood cell. The plasma cell helps in production of antibodies that protects the body from infection. Multiple myeloma causes the cancerous cells to aggregate in the bone marrow and covers the healthy cells.

The diagnosis of this type of cancer includes bone marrow biopsy, urine and blood tests. The bone marrow plasmocytosis includes the increase in plasma cells number in the bone marrow. The areas of bone damage that are due to cancerous plasma cell are the lytic bone lesions.

The proteins produced by the cancerous cells are detected in serum and urine samples. Thus, definitive diagnosis of multiple myeloma includes the triad of bone marrow plasmacytosis, lytic bone lesions, and <u>Serum</u>.

4 0
3 years ago
How does the embryo get nourishment inside the mother's body?
Vadim26 [7]
N roll over the years to come up i am
3 0
3 years ago
Drag each label to the correct category. Human activities that do not cause an imbalance in the water cycle and the carbon cycle
bogdanovich [222]
From the list provided the eco-friendly activities are recycling materials, growing trees, burying organic matter and using fewer disposables. Recycling materials ensures that less refuse is available to become trash. Planting trees prevents and remedies soil erosion. Using fewer disposables ensures that less refuse enters the environment. Filling landfills, cutting trees and burning fossil fuels are all non eco-friendly practices.

8 0
3 years ago
What does biology mean?
SOVA2 [1]

The study of life.

ology= the study of

bio= life

7 0
3 years ago
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