why is zygote is formed after fertilization? -Biology

why is zygote is formed after fertilization? -Biology
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why is zygote is formed after fertilization? -Biology

Description : why is zygote is formed after fertilization? -Biology

Last Answer : answer:

11.Theploidy of the zygote in angiosperms after double fertilization is (a) 4n (b) n (c) 2n (d) 8n.

Description : 11.Theploidy of the zygote in angiosperms after double fertilization is (a) 4n (b) n (c) 2n (d) 8n.

Last Answer : (c) 2n

Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology

Description : Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology

Last Answer : (i) Sectional view of human ovary. (ii) Morula is formed in the (a)Isthmus of the oviduct (Fallopiantube). (b)The zygote undergoes mitotic divisions in quick succession called cleavage, forming 2, 4 ... 8-16 blastomeres is called a morula and the inner cell mass gets ready to form the embryo proper.

From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its antecedent cells? How did evolution solve that problem?

Description : From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its antecedent cells? How did evolution solve that problem?

Last Answer : The formation of complex and distinct pluricellular organisms would not be possible if mitosis in embryos produced only daughter cells with an identical life history as the mother cell, since there ... process that activates and inactivates some genes within the cell in response to some stimulus.

What is formed at the end of flower fertilization ?

Description : What is formed at the end of flower fertilization ?

Last Answer : Fruits are formed after flowering

Fertilization membrane is formed to

Description : Fertilization membrane is formed to

Last Answer : Fertilization membrane is formed to A. Facilitate entry of sperm into egg B. Provide stability to egg C. Prevent monospermy D. Prevent polyspermy.

In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Description : In tissue culture medium, the embryoids formed from pollen grains is due to (a) cellular totipotency (b) organogenesis (c) double fertilization (d) test tube culture.

Last Answer : (a) cellular totipotency

Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Description : Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Last Answer : Gamete represents the sex cell or germ cell in sexual reproduction. ... Zygote is the product of fertilization in which a male and a female gamete fuse with each other. The two fusing ... characters of their parents in their DNA. Fertilization brings characters of both parents into one zygote cell.

What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology

Description : What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology

Last Answer : The ratio of chromosome number between egg· and its zygote is 1 : 2. An egg is a female gamete, it has haploid number of chromosomes. ... Sperms and eggs are genetically different in terms ... chromosome. The sperm contain either X or Y-chromosome whereas an egg will always have an X-chromosome.

Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology

Description : Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology

Last Answer : How is the constancy maintained in these three stages? Answer. Yes, zygote, embryonic cell and adult of a particular organism always constant have constant chromosome number. Sexual reproduction includes gamete formation through meiosis and fertilization.

In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

Description : In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

Last Answer : The number of chromosome in the female gamete would be same as that in the male gamete, i.e., it will have 24 chromosomes. The number of chromosome in the zygote would be double the number present in the gamete and hence, it would be 48.

(i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Description : (i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... endometrium of the uterus. This is called implantation.(iii) Blastocyst stage implants in the uterus.

Differentiate between zoospore and zygote. -Biology

Description : Differentiate between zoospore and zygote. -Biology

Last Answer : answer:

Where does the zygote of a gymnosperm develop? -Biology

Description : Where does the zygote of a gymnosperm develop? -Biology

Last Answer : If sperm then travel from the pollen to an egg so fertilization can occur, a diploid zygote results. The zygote develops into an embryo within a seed, which forms from the ovule inside the female cone.

why the seed has an embryo and not zygote? -Biology

Description : why the seed has an embryo and not zygote? -Biology

Last Answer : answer:

why the seed has an embryo and not zygote? -Biology

Description : why the seed has an embryo and not zygote? -Biology

Last Answer : answer:

After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?

Description : After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?

Last Answer : mitosis and diffrentiation

The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Description : The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Last Answer : (c) morula

Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.

Description : Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.

Last Answer : (d) at the time of fusion of a sperm with an ovum.

In human beings after fertilisation , the structure which gets embedded in the wall of uterus is a) ovum b)embryo c)foetus d)zygote

Description : In human beings after fertilisation , the structure which gets embedded in the wall of uterus is a) ovum b)embryo c)foetus d)zygote

Last Answer : b)embryo

Which plants retain sepals even after fertilization? -Biology

Description : Which plants retain sepals even after fertilization? -Biology

Last Answer : answer:

What happens to polar nuclei after fertilization? -Biology

Description : What happens to polar nuclei after fertilization? -Biology

Last Answer : answer:

What happens to polar nuclei after fertilization? -Biology

Description : What happens to polar nuclei after fertilization? -Biology

Last Answer : answer:

What is the difference between a gamete and a zygote?

Description : What is the difference between a gamete and a zygote?

Last Answer : A gamete and a zygote are two distinct stages in the process of sexual reproduction in organisms: 1. Gamete: Gametes are specialized reproductive cells that are produced by sexually reproducing ... of two gametes during fertilization, containing the complete set of chromosomes for a new organism.

What is the difference between a zygote and a gamete?

Description : What is the difference between a zygote and a gamete?

Last Answer : A: A zygote is a diploid cell formed by the fusion of two haploid gametes, while a gamete is a haploid cell that is involved in sexual reproduction.

When do you think a newly conceived zygote becomes a person?

Description : When do you think a newly conceived zygote becomes a person?

Last Answer : answer:Good question. I’m not sure, but I think it should be whenever the brain and/or heart is formed. Edit: Lol@Mississippi.

in which structure of the female reproductive system is a zygote typically found? -General Knowledge

Description : in which structure of the female reproductive system is a zygote typically found? -General Knowledge

Last Answer : A zygote is typically found in the fallopian tube.

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.

What makes a zygote ?

Description : What makes a zygote ?

Last Answer : The ovum combines with the sperm to form a zygote.

How wide is the zygote carrying chromosomes ?

Description : How wide is the zygote carrying chromosomes ?

Last Answer : The zygote carries two broad chromosomes.

Why is the zygote called the origin of animals ?

Description : Why is the zygote called the origin of animals ?

Last Answer : Miosis cell division results in the production of sperm and eggs. These sperm and eggs combine to form a zygote. These zygotes create millions of multicellular organisms through continuous division. That is why the zygote is called the origin of the animal.

What is a zygote ?

Description : What is a zygote ?

Last Answer : The zygote is the first cell of an organism formed as a result of the union of sperm and egg. In other words, the cells produced by the union of the female gamete (ovum) and the male gamete are called zygotes.

Cell division that occurs in zygote is called

Description : Cell division that occurs in zygote is called

Last Answer : Cell division that occurs in zygote is called A. Meiosis B. Mitosis C. Cleavage D. Differentiation.

Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Description : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Last Answer : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This ... of three germinal layers D. Formation of archenteron.

Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Description : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Last Answer : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This ... of three germinal layers D. Formation of archenteron.

A zygote is completely divided into two by a cleavage furrow. The cleavage type is

Description : A zygote is completely divided into two by a cleavage furrow. The cleavage type is

Last Answer : A zygote is completely divided into two by a cleavage furrow. The cleavage type is A. Equatorial B. Meroblastic C. Radial D. Holoblastic.

Zygote of Capsella bursa-pastoris undergoes

Description : Zygote of Capsella bursa-pastoris undergoes

Last Answer : Zygote of Capsella bursa-pastoris undergoes A. Longitudinal division B. Equal tranverse divison C. Unequal transverse division D. Oblique division

$ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid

Description : $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid

Last Answer : $ Zygotic meiosis occurs at the time of germination of zygote. ! Zyogote may be diploid or triploid A. If ... is wrong D. If both As and R are wrong.

Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Description : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.

Last Answer : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk ... D. If both Assertion & Reason are False.

Cell division in zygote is called-

Description : Cell division in zygote is called-

Last Answer : Cell division in zygote is called- A. Cleavage B. Segmentation C. Cellulation D. All the above

What is the process of two gametes joining to form a zygote called?

Description : What is the process of two gametes joining to form a zygote called?

Last Answer : Need answer

What are the normal chromosome numbers of a sperm egg and zygote respectively?

Description : What are the normal chromosome numbers of a sperm egg and zygote respectively?

Last Answer : monoploid, monoploid and diploid

Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Description : Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Last Answer : Ans:(c)

Define zygote?

Description : Define zygote? 

Last Answer :  A zygote is the cell that forms by the union of an egg cell and a sperm cell 

Motile zygote of Plasmodium occurs in (a) gut of female Anopheles (b) salivary glands of Anopheles (c) human RBCs (d) human liver

Description : Motile zygote of Plasmodium occurs in (a) gut of female Anopheles (b) salivary glands of Anopheles (c) human RBCs (d) human liver

Last Answer : (a) gut of female Anopheles

Each new sex cell is called a. Gamete b. embryo c. zygote d. -----

Description : Each new sex cell is called a. Gamete b. embryo c. zygote d. -----

Last Answer : Gamete

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage(c) Embryo of 32 cell stage (d) Zygote only

Description : In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage (c) Embryo of 32 cell stage (d) Zygote only

Last Answer : (b) Either zygote or early embryo upto 8 cell stage

The test-tube baby programme employs which one of the following techniques? (a) Intra Cytoplasmic Sperm Injection (ICSI) (b) Intra Uterine Insemination (IUI) (c) Gamete Intra Fallopian Transfer (GIFT) (d) Zygote Intra Fallopian Transfer (ZIFT)

Description : The test-tube baby programme employs which one of the following techniques? (a) Intra Cytoplasmic Sperm Injection (ICSI) (b) Intra Uterine Insemination (IUI) (c) Gamete Intra Fallopian Transfer (GIFT) (d) Zygote Intra Fallopian Transfer (ZIFT)

Last Answer : (d) Zygote Intra Fallopian Transfer (ZIFT)

Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Description : Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Last Answer : b) zygote into the fallopian tube