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serious [3.7K]
2 years ago
13

use your understanding of genetics and explain how a set of twins can result in one individual who is male and one who is female

include concepts of miosis ovulation and fertilization in your answer.
Biology
1 answer:
frosja888 [35]2 years ago
8 0

Answer:

Fraternal twins

Explanation:

Hyperovulation is when a mother drops two or more eggs during a single cycle. Each egg acts individually and can be fertilized by a sperm. If egg A is fertilized by a sperm with Y chromosome and egg B is fertilized by a sperm with an X chromosome. Egg A will be a male child, while egg B will be a female child

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The answer is; C

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What is a yellow dog contract
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A contract between a worker and an employer in which the worker agrees not to remain in or join a union.
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Match each of the following terms with its definition. 1. Mitosisa) The dense, active protoplasm found in the center of the cell
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Answer:

1. Mitosis c) The process of cell reproduction of human tissues that occurs when the cell divides into two identical cells

2. Nucleus a) The dense, active protoplasm found in the center of the cell

3. Cytoplasm b) The watery fluid that surrounds the nucleus of the cell and is needed for growth, reproduction, and self-repair

4. Cell membrane d) The part of the cell that encloses the protoplasm and permits soluble substances to enter and leave the cell

Explanation:

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  • The nucleus is the part of the cell that contains the DNA, which is necessary to synthesize the proteins that the cell and our body need. It is in the center of the cell and has a nuclear membrane that separates it from the rest of the organelles.
  • The cytoplasm is a solution that surrounds the nucleus, and it contains the rest of the organelles that the cell needs for its functions.
  • The cell membrane is the structure that encloses all the cytoplasm and the nucleus. It is made of phospholipids, proteins, and cholesterol, which allows the passage of certain substances.
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2 years ago
A eukaryotic gene contains 14 exons. Most of the transcripts from this gene contain all 14 exons, but some contain only 11 exons
WARRIOR [948]

Answer:

D. Alternative splicing is the mechanism that produce complexity in the genes by splicing some of the protein coding part (exons) of a genes

Explanation:

There are certain splicing enhancers sites present in Exons which facilitiates the binding of RNA binding protein specifically SR protein family rich in Serine and Arginine residues. This SR protein will help in splicing of exons.

The significance of this type of mechanism is the ability of a cell to produce an isoform of protein which have retain their function.

This mechanism also help is diversity or in short in evolution.

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2 years ago
A long-term relationship between two species that usually involves an exchange of food or energy is
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The answer is b. symbiosis
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2 years ago
Read 2 more answers
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