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Fudgin [204]
2 years ago
5

Copies of dna segments from one part of a genome that have been inserted somewhere else are called

Biology
1 answer:
ad-work [718]2 years ago
4 0

Answer:

recombinant DNA molecules

Explanation:

Pls give brainliest!

You might be interested in
Cell Division Homework #1 Introduction to Cell Division Directions: Compare and contrast the following pairs of terms:
wel

Answer:

Sister chromatids / centromeres: When a single chromosome has been replicated in copies, each copy is called a sister chromatids.

A special part of the chromosome called the centromere holds the two sister chromatids together. A centromere is like a built-in rubber band for two sister chromosomes.

Mother cell / daughter cell: identical.

Daughter cells are genetically identical to the mother cell at the stage of production through mitosis.

On the other hand, at the stage of production through meiosis, the daughter cells are genetically different and contain only half of the genetic material of the mother cell.

Interphase / cell division: A cell spends most of its time in what is called interphase, and during this time it grows,

replicates its chromosomes, and prepare for cell division.

The cell then leaves Interphase, undergoes mitosis, and completes its division.

DNA / chromosome: Genes are segments of deoxyirbonucleic acid (DNA) that contain the code for specific protein that functions in one or more types of cell in the body

Chromosomes are structures within cells that contains a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

Mitosis / cytokinesis: Basically, mitosis is a process by which the duplicated genome in a cell is separated into halves that are identical in nature.

Cytokinesis is the process where the cytoplasm of the cell divides to form two 'daughter' cells. The result is the formation of two 'daughter cells', each having a nucleus.

8 0
2 years ago
The type of reproduction that is most often used by multicellular organisms is.
Nezavi [6.7K]

Meiosis is involved in the formation of the gametes of multicellular organisms.

<h3>How do multicellular organisms reproduce?</h3>

Both plants and animals reproduce by developing new individuals, through gametes or reproductive cells.

<h3>Characteristics of multicellular organisms reproduction</h3>

  • Many multicellular organisms always arise from a single cell called a zygote, the result of the union of two gametes (female and male).

  • The zygote subdivides rapidly throughout gestation, forming the entire body of the creature that, from its birth, begins to grow.

Therefore, multicellular organisms reproduce by means of certain types of reproductive cells that are generated and take care of building a complete new individual.

Learn more about multicellular organisms reproduction here: brainly.com/question/220315

5 0
2 years ago
Dana is intending to breastfeed her baby after he is born. she has read that breast milk differs significantly from cow's milk a
eduard

Cow’s milk contains low quantity of some vitamins such as vitamin C, D and A than human breast milk. Also, Cow's milk contains high amount of protein, and low amount of carbohydrates. One of the proteins present in cow's milk is difficult for infants to digest and may cause an allergic response making cow’s milk unsuitable for infants.






3 0
3 years ago
Read 2 more answers
Read each of the sentences that describe what happens either during mitosis or meiosis. Drag each sentence into the correct box.
seraphim [82]

Complete question:

In the attached files you will find the sentences used to complete this problem, and their corresponding boxes.

Answer:

Mitosis:

  • Homologous chromosomes do not pair
  • One row of chromosomes line up in the center of the cell
  • The cell nucleus divide only once
  • Two diploid daughter cells form that are identical to their parental cells

Meiosis:

  • Each replicated chromosome pair with its corresponding homologous pair
  • Tetrads form, and crossing-over sometimes occur
  • Paired homologous chromosomes line up across the center of the cell
  • Four haploid daughter cells form that are not identical to their parental cells

Explanation:  

There are two principal types of cells in the organism: Somatic diploid cells (2n) that reproduce by the process of mitosis, and germ cells that are diploid reproductive cells in charge of gamete production. These germ cells suffer both mitosis (to form more sexual cells) and meiosis (giving place to haploid gametes, called sperm and egg cells, through the gametogenesis process). Both somatic cells and germinal cells will end their cycle becoming two daughter cells with the same genetic dotation.

Gametes´destiny is to merge in the process of fecundation, during which a new diploid cell called zygote emerges through fertilization. The zygote is a complete cell from the structural point of view that suffer successive mitosis to form the new organism.

  • <u>Meiosis</u> is a process by which, from a diploid germ cell (2n), four daughter cells with a haploid chromosome number (n) are produced. Each daughter cell has half of the chromosomes of the original one. There are two phases in meiosis: the first one in which occurs a chromosome´s reduction division, and the second one where the cell suffers a new division, but this one is not a reductive one.
  1. In the first phase, Meiosis I: Chromosomes condensate and became visible. Occurs crossing-over between homologous chromosomes in the equatorial plane. Crossin-over makes the daughter cells to be genetically different from the original one. After crossing-over, homologous chromosomes get separated again. Then occurs cytokinesis and chromosomes became lax again.
  2. In the second phase, Meiosis II: Chromosomes condensate again, they join the spindle apparatus and migrate to the equatorial plane. Centromeres divide and each chromatid goes forward to each pole. Once in the poles the chromosomes became lax again and occur cytokinesis.
  • Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced. During mitosis, the cell duplicates and then separates. Mitosis occurs in only one phase. In the prophase, it occurs chromosomes condensation and nuclear membrane breaks. During the metaphase, fibers of the spindle apparatus capture chromosomes and take them toward the center of the cell, to the equatorial plane, where they line up. Each chromatid joins with a microtubule of opposites poles. Sister chromatids are held together until they reach the Anaphase, during which other enzymes are activated to break the bonds and separate the chromatids, which migrate to the opposite poles. In telophase, the duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole. Finally, occurs cytokinesis.  

5 0
3 years ago
Does regular exercise reduce the risk of a heart attack? here are two ways to study this question.
exis [7]
Hey there,

Answer:

Exercises such as Anaerobic exercises does help to reduce the risks of heart attack and heart diseases.

Hope this helps :D

<em>~Top♥</em>
3 0
3 years ago
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