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ratelena [41]
3 years ago
5

Suppose that a zygote had only one copy of chromosome 21. Do you think that this zygote would develop into a normal embryo and c

hild? Explain why or why not?
Biology
1 answer:
Pie3 years ago
7 0

Answer:

el niño tendría síndrome de downEl síndrome de Down es causado por un error aleatorio en la división de las células que tiene como resultado la presencia de una copia extra del cromosoma 21.

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In Drosophila, grey body is dominant to black, and long wings is dominant to short wings. Two unlinked pairs of alleles, G/g and
vladimir2022 [97]

Answer:

  1. GgLl    x    Ggll ---> grey long x grey short
  2. Ggll    x    Ggll ---> grey short x grey short
  3. GgLL    x    ggLL   or   GgLL    x    ggLl ---> black long x grey long
  4. GGLl    x    GGLl    or  GGLl    x    GgLl ---> grey long x grey long  
  5. GGLl     x     GGll    or   GgLL    x     GGll ---> grey short x grey long

Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Download pdf
6 0
3 years ago
Explain some of the processes involved in a scientific investigation.
Dominik [7]

Answer:

The steps involves making hypothesis, deriving predictions from the logical consequences and then carrying out experiments based on those predictions.

Explanation:

Step 1: make a observation .

Step 2: Formulate a statement or question.

Step 3: Form  the hypothesis .

Step 4: make a prediction based on the hypothesis.

Step 5: test the hypothesis whether its true or not.

Step 6: use the results to conclude the experiment.

8 0
3 years ago
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Identifying the genetic sex of a child is based on finding intracellular barr bodies that consist of?
AURORKA [14]

Identifying the genetic sex of a child is based on finding intracellular Barr bodies that consist of inactive chromatin material.

Inactive chromatin material is the one where no transcription takes place. It is also known by the name heterochromatin. It appears as a dark condensed form in the chromatin.

Barr bodies are the inactive X chromosomes. These are mad inactive by a process termed as lyonization. It is essential to make the chromosome inactive in organisms with XY type of sex determination. They are present at the periphery of the nucleus. Inactivation of X chromosome makes the amount of X chromosomes equal in both, males and females.

To know more about Barr bodies, here

brainly.com/question/26376422

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8 0
2 years ago
Which microscope were cells first observed?
lutik1710 [3]

Answer:

Leeuwenhoek made his own microscope lenses, and he was so good at it that his microscope was more powerful than other microscopes of his day. In fact, Leeuwenhoek's microscope was almost as strong as modern light microscopes.

Explanation:

Hope this helps you

8 0
3 years ago
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How does commensalism differ from mutualism?
Veseljchak [2.6K]
Answer: Mutualism is a relationship of two organisms wherein both organisms benefit from each other. ... Commensalism is a relationship of two organisms wherein one organism benefit from the other with neither harm nor benefit to the other
5 0
3 years ago
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