The following breeds do not require the use of bioengineering techniques

The high-yielding penicillin strain is based on the principle of genetic mutation, and the method is very simple, just irradiate the Penicillium colony with strong radiation, and this process does not involve bioengineering technology. Bioengineering Technology Encyclopedia.

Bioengineering includes five major projects, namely genetic engineering (genetic engineering), cell engineering, microbial engineering (fermentation engineering), enzyme engineering, and bioreactor engineering.

Regardless of the method of breeding, the ultimate goal is to change the biological traits by changing the genetic material in the cells of the organism. The key to distinguishing the breeding method and the biotechnology category to which the method belongs is to look at the operation object and operation level in the breeding process.

The key point of cell engineering is to manipulate cells or organelles "at the cellular level or at the organelle level" by means of engineering. For example, transferring the chromosomes of plant A to plant B cells belongs to cell engineering at the organelle level; The transfer of the gene of plant A into the cells of plant B is genetic engineering, both of which change the genetic characteristics of the organism, and both are directed modified organisms. Mutagenesis breeding is often the use of physical and chemical factors to induce changes in the genetic characteristics of plants and animals.

It is often operated on germinating seeds rather than cells, secondly without the application of engineering methods, and finally, mutagenesis breeding induces mutations that are not directed.

BCDs are all about using biotechnology to alter their genes, while A is an external effect.

Engineering technologies include genetic engineering, cell engineering, embryo engineering, etc.

Summary. Hello, glad to answer for you. Biological breeding is the abbreviation of biotechnology technology, which is a biological technology for cultivating excellent organisms, which is mainly divided into mutagenesis breeding and hybrid breeding.

Biological breeding is the abbreviation of biotechnology technology, which is the biological technology of cultivating excellent organisms, which is mainly divided into those two categories.

Hello, glad to answer for you. Biological breeding is the abbreviation of biotechnology technology, which is a biological technology for cultivating excellent organisms, which is mainly divided into mutagenesis breeding and hybrid breeding.

Biological breeding is defined as the biological technique of cultivating superior organisms. Biological breeding is the process of cultivating new varieties of dust transport by using genetics, cell biology, modern bioengineering technology and other methods and principles. Mutagenesis breeding refers to the breeding method of using artificial mutagenesis to obtain new biological varieties.

Cross-breeding refers to the breeding method of using Zheng Chun, an individual of the same species (or different species) with different gene compositions, to obtain the required phenotypic type.

Answer: C Genetic engineering breeding can change traits without imitation, has a strong purpose, short breeding cycle, and overcomes the obstacle of incompatibility between distant hybrids.

Answer B cold-tolerant rye is a multi-fold breed, and the genetically modified insect-resistant cotton that resists the hail of cotton bollworm is a new variety cultivated by genetic engineering. Option C is mutagenesis breeding and option D is embryo engineering breeding.

The nucleus and cytoplasm** in nuclear transfer can be different species. Chinese scientist Tong Dizhou made carp carp nucleus.

Plant somatic cell hybridization is designed to overcome the incompatibility of distant hybridization. Typical cabbage-cabbage hybrids, potato-tomato hybrids.

So the nucleus and cytoplasm in nuclear transfer** two somatic cells in somatic cell hybridization in plants are wrong.

Bull vs. Cow in Bovine Embryo Transfer Donors and recipients of embryos in bovine embryo transfer have been resolved.

Pick D. The first step in embryo transfer is in vitro fertilization, which cannot be completed if it is not of the same species.

Seeds are the lifeblood of agricultural production and an important guarantee for achieving high yield, stable yield and high quality. Traditional breeding is the basis of breed improvement, and modern biotechnology breeding can make breakthroughs in creating new breeding materials and improving breeding efficiency.

To really make China's seed industry stronger and bigger, it is a comprehensive system engineering, in addition to conventional breeding, biotechnology, including seed resources, all three are indispensable.

a. Plant tissue culture belongs to asexual reproduction, and the genetic material in the new individual comes from one parent, a is correct;

b. The hybrid cells formed by cell fusion contain all the genetic material of the two parents, and b. error;

c. The genetic material of the new individual formed by the transfer of animal embryos comes from both parents, c is wrong;

d. The nuclear genetic material of the new individual formed by nuclear transfer comes from the donor nucleoorganism, and the cytoplasmic genetic material comes from the recipient, d is wrong

Therefore, a

Answer D: This question tests students' understanding of bioengineering content. Bioengineering is based on biological science, using advanced scientific principles and engineering technology to carefully absorb and process or transform biological materials. Such as DNA, proteins, chromosomes, cells, etc., so as to produce the organisms or biological products required by humans.

Bioengineering includes genetic engineering, cell engineering, fermentation engineering, and enzyme engineering. Breeding engineering is mainly an important way to cultivate excellent crop varieties in agricultural production, and also includes hybrid breeding, mutagenesis breeding, haplotype breeding, polyploid breeding, and the use of genetic engineering, cell engineering breeding to overcome the lack of incompatibility barriers and blindness of distant hybridization.

Select b to analyze:

A virus-free strawberries need tissue culture. The stem tip or anther of the excellent plant that is free of diseases and pests is used as the explant of tissue culture and cultivated.

b Octaploid rye is first a hexaploid common wheat and rye crossed, and then treated with colchicine. Germination from seeds, no tissue culture is used.

c In transgenic, foreign genes are first transferred into plant tissues with vectors such as Agrobacterium, and then cultivated into plants, which is tissue culture.

d cabbage-cabbage, using the fusion of cabbage and cabbage cells, and then tissue culture method to grow the plant.