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zaharov [31]
3 years ago
13

A teratogen is any agent or condition that increases the risk for _____.

Biology
1 answer:
Helen [10]3 years ago
4 0

The answer is C. A teratogen is any agent or condition that increases the chances of an embryo’s malformation due to radiation, infection or chemical interference. They may cause a defect in the unborn child or may sometimes even completely stop the pregnancy.

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Explanation:

8 0
3 years ago
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2. If a nucleus has 8 chromosomes, how many chromosomes will be present after Telophase I? 3. What advantage does crossing-over
Brums [2.3K]

Answer:

Telophase I: 8 chromosomes composed of two sister chromatids  

Crossing over refers to the mechanism of recombination, this process being characterized in that increases the genetic variation

Spermatogenesis refers to the mechanism of formation of male gametes (sperms), while oogenesis is the process of formation of female gametes (oocytes)

Explanation:

Telophase I is the final step in meiosis I. During telophase I, the nuclear membrane is formed around the decondensed set of chromosomes and the nucleoli reappear.  

Spermatogenesis refers to the process by which haploid male germ cells (sperms) are generated within the seminiferous tubules in the testis, while oogenesis refers to the process of differentiation of the female egg cells (ova or oocytes) in the ovaries. Spermatogenesis is known to produce small and motile spermatic cells, while oogenesis is known to produce bigger non-motile oocytes.

4 0
3 years ago
What do you think the term gene expression means?​
Ymorist [56]

Answer:

The term gene expression means the process by which the information encoded in our DNA is used to synthesize a functional product, such as a protein molecule or other cell structures.

Explanation:

6 0
3 years ago
What would be the best microscope to view living single-celled organisms in a sample of pond water?
nikdorinn [45]
A compound light microscope
6 0
3 years ago
Proteins have a variety of functions within a living cell. What are the possible functions of proteins,and how can proteins be s
Vikentia [17]

Answer:

rebuilding of body tissues

Explanation:

protein can diverse when it converted to amino acid,

3 0
3 years ago
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