Importance of apomixis in plant breeding? -Biology

Importance of apomixis in plant breeding? -Biology
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Apomixis produces seed progeny that are exact replicas of the mother plant. The major advantage of apomixis over sexual reproduction is the possibility to select individuals with desirable gene combinations and to propagate them as clones.
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What is apomixis in plant breeding? -Biology

Description : What is apomixis in plant breeding? -Biology

Last Answer : Apomixis (asexual seed formation) is the result of a plant gaining the ability to bypass the most fundamental aspects of sexual reproduction: meiosis and fertilization. Without the need for male fertilization, the resulting seed germinates a plant that develops as a maternal clone

WHAT IS APOMIXIS? DESCRIBE ITS IMPORTANCE?

Description : WHAT IS APOMIXIS? DESCRIBE ITS IMPORTANCE?

Last Answer : ANS. IT IS THE PROCESS OF DEVELOPMENT OF SEEDS WITHOUT FERTILISATION. EXAMPLE: SOME SPECIES OF ASTERACEAE AND GRASSES. IMPORTANCE: APOMICTIC GENES CAN BE INTRDUED IN HYBRID SEED INDUSTRY.

$ Asexual reproduction is also called Apomixis. ! Apogamy shortens the life cycle of a plant.

Description : $ Asexual reproduction is also called Apomixis. ! Apogamy shortens the life cycle of a plant.

Last Answer : $ Asexual reproduction is also called Apomixis. ! Apogamy shortens the life cycle of a plant. A. If both ... is wrong D. If both As and R are wrong.

When one plant has both male and female flowers separately, is called— (A) Monophrodits (B) Monoecious (C) Hermaphrodite (D) Apomixis

Description : When one plant has both male and female flowers separately, is called— (A) Monophrodits (B) Monoecious (C) Hermaphrodite (D) Apomixis

Last Answer : (B) Monoecious

Are pollination and fertilization necessary in apomixis? -Biology

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What is the difference between apomixis and parthenocarpy? -Biology

Description : What is the difference between apomixis and parthenocarpy? -Biology

Last Answer : answer:

Difference between parthenocarpy and apomixis. -Biology

Description : Difference between parthenocarpy and apomixis. -Biology

Last Answer : answer:

Development of Sporophyte from gametophyte tissue without fusion of gametes is: (a) Apospory (b) Apogamy (c) Apomixis (d) Parthenogenesis

Description : Development of Sporophyte from gametophyte tissue without fusion of gametes is: (a) Apospory (b) Apogamy (c) Apomixis (d) Parthenogenesis

Last Answer : Ans. ((b))

Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory

Description : Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory

Last Answer : Ans. ((c))

Formation of diploid embryosac from diploid vegetative structure, e.g., nucellus or integument etc., without meiosis is called: (a) Apospory (b) Apomixis (c) Diplospory (d) Adventives polyembryony

Description : Formation of diploid embryosac from diploid vegetative structure, e.g., nucellus or integument etc., without meiosis is called: (a) Apospory (b) Apomixis (c) Diplospory (d) Adventives polyembryony

Last Answer : Ans. ((a))

Study of formation, growth and development of new individual from an egg is (a) apomixis (b) embryology (c) embryogeny (d) cytology.

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Description : .In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Last Answer : (a) nucellus or integuments

What is common between vegetative reproduction and apomixis? (a) Both are applicable to only dicot plants. (b) Both bypass the flowering phase. (c) Both occur round the year. (d) Both produce progeny identical to the parent.

Description : What is common between vegetative reproduction and apomixis? (a) Both are applicable to only dicot plants. (b) Both bypass the flowering phase. (c) Both occur round the year. (d) Both produce progeny identical to the parent.

Last Answer : (d) Both produce progeny identical to the parent

Seed formation without fertilisation in flowering plants involves the process of (a) somatic hybridisation (b) apomixis (c) sporulation (d) budding

Description : Seed formation without fertilisation in flowering plants involves the process of (a) somatic hybridisation (b) apomixis (c) sporulation (d) budding

Last Answer : (b) apomixis

Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny

Description : Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny

Last Answer : Ans: a) Polyembryony

What is common between vegetative reproduction and Apomixis?a)Both are applicable to only dicot plantsb)Both bypass the flowering phasec)Both occur round the yeard)Both produces progeny identical to the paren

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Last Answer : Both produces progeny identical to the parent

Briefly describe various steps involved in plant breeding. -Biology

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Last Answer : The four steps are: (1) Creation of genetic variation by various means (2) Selection (3) Evaluation and Release as a variety and (4) Seed multiplication and distribution among farmers.

What is emasculation in plant breeding? -Biology

Description : What is emasculation in plant breeding? -Biology

Last Answer : Emasculation. Removal of stamens or anthers or killing the pollen of a flower without the female reproductive organ is known as emasculation. In bisexual flowers, emasculation is essential to prevent of self-pollination. In monoecious plants, male flowers are removed.

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When Mendel crossed a true-breeding short plant with a true-breeding tall plant, all the offspring were tall. Which term describes the gene for tallness?

Description : When Mendel crossed a true-breeding short plant with a true-breeding tall plant, all the offspring were tall. Which term describes the gene for tallness?

Last Answer : Dominant.

Plant breeding in Agriculture?

Description : Plant breeding in Agriculture?

Last Answer : Growing seedlings in the nursery are important for a variety of reasons. It is possible to grow and maintain a large number of plants per unit area. When the seeds are sown, their germination ... protect seedlings from pests and diseases. The economy of land use which reduced time in the key sector

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In bio fortification technique plant breeders use breeding to overcome (1) Loss due to insect pests (2) Decrease in food production (3) Deficiencies of micronutrients and vitamins (4) Loss due to plant diseases

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Last Answer : (3) Deficiencies of rnicronutrients and vitamins Explanation: Biofortification refers to the breeding of crops to increase their nutritional value. The crops produced through biofortification method are always rich ... . This rice is rich in beta-carotene and provides vitamin A to the children.

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In bio fortification technique plant breeders use breeding to overcome – (1) Loss due to insect pests (2) Decrease in food production (3) Deficiencies of micronutrients and vitamins (4) Loss due to plant diseases

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Description : What is meant by selection in conventional plant breeding?

Last Answer : Selection is the process where a breeder selects from a population of plants having desirable characteristics. It is the most ancient and basic procedure.

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Description : Define the term variety with respect to plant breeding.

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Description : What is the aim of conventional plant breeding?

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Description : What does conventional plant breeding involve?

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Last Answer : (d) tissue culture.

In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called (a) evaluation and selection of parents (b) germplasm collection (c) selection of superior recombinants (d) cross-hybridisation among the selected parents.

Description : In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called (a) evaluation and selection of parents (b) germplasm collection (c) selection of superior recombinants (d) cross-hybridisation among the selected parents.

Last Answer : (b) germplasm collection

A true breeding plant is (a) one that is able to breed on its own (b) produced due to cross-pollination among unrelated plants (c) near homozygous and produces offspring of its own kind (d) always homozygous recessive in its genetic constitution.

Description : A true breeding plant is (a) one that is able to breed on its own (b) produced due to cross-pollination among unrelated plants (c) near homozygous and produces offspring of its own kind (d) always homozygous recessive in its genetic constitution.

Last Answer : c) near homozygous and produces offspring of its own kind

Aims of plant breeding are to produce (a) disease-free varieties (b) high-yielding varieties (c) early-maturing varieties (d) all of the above

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How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits? (a) 4 (b) 2 (c) 14 (d) 8

Description : How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits? (a) 4 (b) 2 (c) 14 (d) 8

Last Answer : (c) 14

The quickest method of plant breeding is — a. Mutation breeding b. Back cross c. Heterosis breeding d. Selection

Description : The quickest method of plant breeding is — a. Mutation breeding b. Back cross c. Heterosis breeding d. Selection

Last Answer : a. Mutation breeding

Aims of plant breeding are to produce a) Disease-free varieties b) High-yielding varieties c) Early-maturing varieties d) all of the above

Description : Aims of plant breeding are to produce a) Disease-free varieties b) High-yielding varieties c) Early-maturing varieties d) all of the above

Last Answer : d) all of the above

Biofortification is a (1) method of breeding crops to increase their nutritional value (2) strategy to combat unwanted nutrients in plants (3) method of developing resistance to insect pests (4) method of plant breeding for disease resistance

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Last Answer : method of breeding crops to increase their nutritional value

In bio fortification technique plant breeders use breeding to overcome (1) Loss due to insect pests (2) Decrease in food production (3) Deficiencies of micronutrients and vitamins (4) Loss due to plant diseases

Description : In bio fortification technique plant breeders use breeding to overcome (1) Loss due to insect pests (2) Decrease in food production (3) Deficiencies of micronutrients and vitamins (4) Loss due to plant diseases 

Last Answer : Deficiencies of micronutrients and vitamins

What are the objectives of animal breeding? -Biology

Description : What are the objectives of animal breeding? -Biology

Last Answer : a) The objective of animal breeding are as follows: To increase animal yield. To improve the desirable quality of animal produce. To produce disease-resistant varieties of animals.

Name the methods employed in animal breeding. -Biology

Description : Name the methods employed in animal breeding. -Biology

Last Answer : The best method to carry out animal breeding is the artificial method of breeding, which includes artificial insemination and MOET technology. These technologies are scientific in nature. They help overcome ... normal mating and have a high success rate of crossing between mature males and females.

Which one of the animal breeding methods is the best? -Biology

Description : Which one of the animal breeding methods is the best? -Biology

Last Answer : The best method to carry out animal breeding is the artificial method of breeding, which includes artificial insemination and MOET technology. These technologies are scientific in nature. They help overcome ... normal mating and have a high success rate of crossing between mature males and females.

What is cross breeding in poultry? -Biology

Description : What is cross breeding in poultry? -Biology

Last Answer : answer:

What is cross breeding in poultry? -Biology

Description : What is cross breeding in poultry? -Biology

Last Answer : answer:

Can camels be used for breeding hybrid animals?

Description : Can camels be used for breeding hybrid animals?

Last Answer : A: Yes, camels can be bred with other closely related species to produce hybrids. For example, dromedary camels have been crossed with Bactrian camels to create hybrid offspring known as Bukhts.

Ladies, what'd you say to a guy who watch pick up artists, dating gurus, alpha beta mating breeding strategies videos on youtube?

Description : Ladies, what'd you say to a guy who watch pick up artists, dating gurus, alpha beta mating breeding strategies videos on youtube?

Last Answer : Not a lady, but that sounds kind of culty.

Why aren't Smart people breeding?

Description : Why aren't Smart people breeding?

Last Answer : I’m pretty sure they are?

Does anyone here know of any pages like the one I link to below of breeding rules or guidelines, but for CATS?

Description : Does anyone here know of any pages like the one I link to below of breeding rules or guidelines, but for CATS?

Last Answer : How about this site ? It looks like it will answer your questions and is simple and clear. Just click on the underlined red link and the page will come up.