Chromosomal basis of sex determination was discovered in the plant :

Chromosomal basis of sex determination was discovered in the plant :
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Chromosomal basis of sex determination was discovered in the plant : A. Rumex B. Melandrium C. Concinia D. Spharocarpus
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Mental retardation in man, associated with sex chromosomal abnormality is usually due to (a) moderate increase in Y complement (b) large increase in Y complement (c) reduction in X complement (d) increase in X complement.

Description : Mental retardation in man, associated with sex chromosomal abnormality is usually due to (a) moderate increase in Y complement (b) large increase in Y complement (c) reduction in X complement (d) increase in X complement.

Last Answer : (d) increase in X complement.

8. Amniocentesis for sex determination is banned? in our country. Is this ban necessary? Comment -Science

Description : 8. Amniocentesis for sex determination is banned? in our country. Is this ban necessary? Comment -Science

Last Answer : Since Amniocentesis is misused to find out the sex of the foetus leading to female foeticides, it is necessary. It is the prenatal diagnostic technique, that helps to find out chromosomal ( ... laws, such as banning sex determination ultrasounds but raising the social & economic status of women,

Explain the mechanism of sex determination in humans. Or With the help of a flow chart explain in brief how the sex of a newborn is genetically determined in human beings. Which of the two parents, the mother or the father, is responsible for determination of sex of a child? -Biology

Description : Explain the mechanism of sex determination in humans. Or With the help of a flow chart explain in brief how the sex of a newborn is genetically determined in human beings. Which of the two parents, the mother or the father, is responsible for determination of sex of a child? -Biology

Last Answer : Mechanism of Sex Determination in Human Beings: In human beings, the sex of the individual is genetically determined.Sex determination is the process by which sex of a new born individual can be ... happens at fertilisation. Thus, father is responsible for the determination of the sex of a child.

Sex determination of child is done by whose chromosome? -General Knowledge

Description : Sex determination of child is done by whose chromosome? -General Knowledge

Last Answer : The answer is 'Father'

Sex determination of child is done by whose chromosome? -General Knowledge

Description : Sex determination of child is done by whose chromosome? -General Knowledge

Last Answer : answer:

Sex determination of child is done by whose chromosome? -General Knowledge

Description : Sex determination of child is done by whose chromosome? -General Knowledge

Last Answer : answer:

Assertion : Females not participate in the determination of the sex of baby . Reason : Human male is heterogametic .

Description : Assertion : Females not participate in the determination of the sex of baby . Reason : Human male is heterogametic .

Last Answer : Assertion : Females not participate in the determination of the sex of baby . Reason : Human male is ... . D. If both Assertion & Reason are False.

.In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter’s syndrome in male. It proves (a) in human beings Y chromosome is active in sex determination (b) Y chromosome is active in sex determination in both human beings and Drosophila (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.

Description : .In Drosophila, the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelter's syndrome in male. It proves (a) in human beings Y chromosome is active in ... (c) in Drosophila Y chromosome decides femaleness (d) Y chromosome of man have genes for syndrome.

Last Answer : (a) in human beings Y chromosome is active in sex determination

Which of the following pairs is wrongly matched? (a) Starch synthesis in pea : Multiple alleles (b) ABO blood grouping : Co-dominance (c) XO type sex determination: Grasshopper (d) T.H. Morgan : Linkage

Description : Which of the following pairs is wrongly matched? (a) Starch synthesis in pea : Multiple alleles (b) ABO blood grouping : Co-dominance (c) XO type sex determination: Grasshopper (d) T.H. Morgan : Linkage

Last Answer : (a) Starch synthesis in pea : Multiple alleles

In context of amniocentesis, which of the following statements is incorrect? (a) It can be used for detection of Down’s syndrome. (b) It can be used for detection of cleft palate. (c) It is usually done when a woman is between 14-16 weeks pregnant. (d) It is used for prenatal sex determination.

Description : In context of amniocentesis, which of the following statements is incorrect? (a) It can be used for detection of Down’s syndrome. (b) It can be used for detection of cleft palate. (c) It is usually done when a woman is between 14-16 weeks pregnant. (d) It is used for prenatal sex determination.

Last Answer : (b) It can be used for detection of cleft palate

In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans. (a) Due to some defect like aspermia in man. (b) Due to the genetic make up of the particular sperm which fertilises the egg. (c) Due to the genetic make up of the egg. (d) Due to some defect in the women.

Description : In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans. (a) Due to some defect like aspermia in man. (b) Due to the genetic make up of the ... . (c) Due to the genetic make up of the egg. (d) Due to some defect in the women.

Last Answer : (b) Due to the genetic make up of the particular sperm which fertilises the egg.

Who is responsible for the sex determination of a child?

Description : Who is responsible for the sex determination of a child?

Last Answer : Father

Sex determination of child is done by whose chromosome?

Description : Sex determination of child is done by whose chromosome?

Last Answer : Father

25. The mechanism of ‘sex determination’ in birds is ... f) XX -XY b) ZZ -ZW c) ZZ -WW d) XX -XO

Description : 25. The mechanism of ‘sex determination’ in birds is ... f) XX -XY b) ZZ -ZW c) ZZ -WW d) XX -XO

Last Answer : b) ZZ -ZW

5. The mechanism of ‘sex determination’ in birds is ... c) XX -XY b) ZZ -ZW c) ZZ -WW d) XX -XO

Description : 5. The mechanism of ‘sex determination’ in birds is ... c) XX -XY b) ZZ -ZW c) ZZ -WW d) XX -XO

Last Answer : b) ZZ -ZW

Which of the following pairs in wrongly matched ? (1) Starch synthesis in pea : Multiple alleles (2) ABO blood grouping : Co-dominance (3) XO type sex determination : Grasshopper (4) T.H. Morgan : Linkage

Description : Which of the following pairs in wrongly matched ? (1) Starch synthesis in pea : Multiple alleles (2) ABO blood grouping : Co-dominance (3) XO type sex determination : Grasshopper (4) T.H. Morgan : Linkage

Last Answer : (1) Starch synthesis in pea : Multiple alleles

1. The Imperial Bank of India, after nationalisation was given the name of which bank? 2. Who is responsible for the sex determination of a child? 3. How many High Courts in India have jurisdiction over more than one State (Union Territories not included)? 4. Suez Canal joins which two Sea? 5. Who gave the motto ‘Go back to the Vedas’ ?

Description : 1. The Imperial Bank of India, after nationalisation was given the name of which bank? 2. Who is responsible for the sex determination of a child? 3. How many High Courts in India have ... country in Africa has luxurious tropical rain forests? 20. Which was not a kingdom in ancient India?

Last Answer : Answer : 1. State Bank of India 2. Father 3. 3 4. Red Sea and Mediterranean Sea 5. Swami Dayanand Saraswati 6. Frequency modulation 7. 14th November 8. Timbernrus 9. Regur soil 10. Sanskrit 11. Oparin ... 15. Panini 16. Canning 17. January 25 18. Banana, potato and rice 19. Ivory coast 20. Hampi

1. Sex determination of child is done by whose chromosome? 2. Who is authorised to decide over a dispute regarding disqualification of a member of Parliament? 3. Who firstly demonstrated experimentally the existence of electromagnetic wave? 4. Which is not essentially a species of the Himalayan vegetation? 5. What are the main channels of our knowledge about the Indus Valley Civilization?

Description : 1. Sex determination of child is done by whose chromosome? 2. Who is authorised to decide over a dispute regarding disqualification of a member of Parliament? 3. Who firstly demonstrated ... of bargets, coasters and dredgers? 20. In which country was Buddhism first propogated outside India?

Last Answer : Answer : 1. Father 2. President 3. Hertz 4. Mahogany 5. Archaeological excavations 6. December 20 7. International Year of Volunteers 8. Increase growth in lenght 9. Tropical moist deciduous ... . Boxing 17. Herbert Spencer 18. During a Financial Emergency 19. Garden Reach Shipyard 20. Srilanka

Depreciation (A) Costs (on annual basis) are constant when the straight line method is used for its determination (B) Is the unavoidable loss in the value of the plant, equipment and materials with lapse in time (C) Does figure in the calculation of income tax liability on cash flows from an investment (D) All (A), (B) and (C)

Description : Depreciation (A) Costs (on annual basis) are constant when the straight line method is used for its determination (B) Is the unavoidable loss in the value of the plant, equipment and materials with lapse in time ... income tax liability on cash flows from an investment (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

The element of the audit planning process most likely to be agreed upon with the client before implementation of the audit strategy is the determination of the a. Methods of statistical sampling to be used in confirming accounts receivable. b. Pending legal matters to be included in the inquiry of the client's attorney. c. Evidence to be gathered to provide a sufficient basis for the auditor's opinion. d. Schedules and analyses to be prepared by the client's staf

Description : The element of the audit planning process most likely to be agreed upon with the client before implementation of the audit strategy is the determination of the a. Methods of statistical sampling to be used ... for the auditor's opinion. d. Schedules and analyses to be prepared by the client's staf

Last Answer : Schedules and analyses to be prepared by the client's staf

The element of the audit planning process most likely to be agreed upon with the client before implementation of the audit strategy is the determination of the a. Procedures to be undertaken to discover litigation, claims, and assessments. b. Timing of inventory observation procedures to be performed. c. Evidence to be gathered to provide asufficient basis for the auditor's opinion.d. Pending legal matters to be included inthe inquiry of the client's attorney.

Description : The element of the audit planning process most likely to be agreed upon with the client before implementation of the audit strategy is the determination of the a. Procedures to be undertaken to discover ... opinion. d. Pending legal matters to be included in the inquiry of the client's attorney.

Last Answer : Timing of inventory observation procedures to be performed

The element of the audit planning process most likely to be agreed upon with the client before implementation of the audit strategy is the determination of the a. Timing of inventory observation procedures to be performedb. Evidence to be gathered to provide asufficient basis for the auditor's opinion.c. Procedures to be undertaken to discoverlitigation, claims, and assessments.d. Pending legal matters to be included inthe inquiry of the client's attorney

Description : The element of the audit planning process most likely to be agreed upon with the client before implementation of the audit strategy is the determination of the a. Timing of inventory observation ... assessments. d. Pending legal matters to be included in the inquiry of the client's attorney

Last Answer : Timing of inventory observation procedures to be performed.

Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when pla(a) It made possible the isolation and exact identification of auxin. (b) It is the basis for quantitative determination of small amounts of growth-promoting substances. (c) It supports the hypothesis that IAA is auxin. (d) It demonstrated polar movement of auxinsced on one side of freshly-cut coleoptile stumps. Of what significance is this experiment?

Description : Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what ... . (c) It supports the hypothesis that IAA is auxin. (d) It demonstrated polar movement of auxins

Last Answer : (a) It made possible the isolation and exact identification of auxin.

On the basis of the Keynesian model of output determination, a multiplier of 3 implies that (a) An increase in consumption by `3 will result in an increase in investment by Re. 1 (b) An increase in investment by Re. 1 will result in an increase in consumption by `3 (c) An increase in investment by Re. 1 will result in an increase in consumption by `2 (d) An increase in investment by Re. 1 will result in an increase in consumption by Re. 1

Description : On the basis of the Keynesian model of output determination, a multiplier of 3 implies that (a) An increase in consumption by `3 will result in an increase in investment by Re. 1 (b) An increase in ... 2 (d) An increase in investment by Re. 1 will result in an increase in consumption by Re. 1

Last Answer : (c) An increase in investment by Re. 1 will result in an increase in consumption by `2 

A self replicating, extra-chromosomal genetic material found in plant cell

Description : A self replicating, extra-chromosomal genetic material found in plant cell

Last Answer : Ans. Plastids

If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different? (a) He would not have discovered the law of independent assortment. (b) He would have discovered sex linkage. (c) He could have mapped the chromosome. (d) He would have discovered blending or incomplete dominance.

Description : If Mendel had studied the seven traits using a plant with 12 chromosomes instead of 14, in what way would his interpretation have been different? (a) He would not have discovered the law of ... c) He could have mapped the chromosome. (d) He would have discovered blending or incomplete dominance.

Last Answer : He would not have discovered the law of

Who had proposed the chromosomal theory of the inheritance? -Biology

Description : Who had proposed the chromosomal theory of the inheritance? -Biology

Last Answer : answer:

Where is chromosomal DNA located? -Biology

Description : Where is chromosomal DNA located? -Biology

Last Answer : answer:

What is chromosomal DNA? -Biology

Description : What is chromosomal DNA? -Biology

Last Answer : answer:

When does replication of chromosomal DNA occur? -Biology

Description : When does replication of chromosomal DNA occur? -Biology

Last Answer : answer:

Why is chromosomal DNA stored at 4 degrees? -Biology

Description : Why is chromosomal DNA stored at 4 degrees? -Biology

Last Answer : answer:

Chromosomal DNA contamination. -Biology

Description : Chromosomal DNA contamination. -Biology

Last Answer : answer:

Chromosomal DNA is duplicated in -Biology

Description : Chromosomal DNA is duplicated in -Biology

Last Answer : answer:

Given below is the presentation of a kind of chromosomal mutation : What is the kind of mutation represented

Description : Given below is the presentation of a kind of chromosomal mutation : What is the kind of mutation represented

Last Answer : Given below is the presentation of a kind of chromosomal mutation : What is the kind of ... B. duplication C. inversion D. reciprocal translocation

Chromosomal movement in Anaphase occurs with the help of :-

Description : Chromosomal movement in Anaphase occurs with the help of :-

Last Answer : Chromosomal movement in Anaphase occurs with the help of :- A. Astral rays B. Centrioles C. NOR D. Spindle fibres

Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Last Answer : Answer : A

The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses

Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses

Last Answer : Answer : A

A DNA element which has the ability to move from one chromosomal position to another

Description : A DNA element which has the ability to move from one chromosomal position to another

Last Answer : Ans. Jumping gene

Chromosomal theory of heredity was proposed by

Description : Chromosomal theory of heredity was proposed by

Last Answer : Ans. W. Sutton (1902)

Who gave the chromosomal theory of Inheritance?

Description : Who gave the chromosomal theory of Inheritance?

Last Answer : Ans. Sutton and Boveri

Which chromosomal combination is responsible for maleness in man? (1) XO (2) XXX (3) XX (4) XY

Description : Which chromosomal combination is responsible for maleness in man? (1) XO (2) XXX (3) XX (4) XY

Last Answer : Explanation: In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.

Frozen tissue section of a lymph node biopsy from the neck of an old dog shows granulomatous inflammation with large areas of necrosis. Which one would be most important to do? C A. cell surface markers for lymphocyte identification B. chromosomal analysis by karyotyping

Description : Frozen tissue section of a lymph node biopsy from the neck of an old dog shows granulomatous inflammation with large areas of necrosis. Which one would be most important to do? C A. cell surface markers for lymphocyte identification B. chromosomal analysis by karyotyping

Last Answer : cultures for acid fast bacilli and fungi

An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.

Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.

Last Answer : (d) PCR.

.Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked

Description : .Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked

Last Answer : (c) Klinefelter’s syndrome - 44 autosomes + XXY

Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder

Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder

Last Answer : (d) X-linked recessive gene disorder

Inheritance of skin colour in humans is an example of (a) point mutation (b) polygenic inheritance (c) codominance (d) chromosomal aberration.

Description : Inheritance of skin colour in humans is an example of (a) point mutation (b) polygenic inheritance (c) codominance (d) chromosomal aberration.

Last Answer : (b) polygenic inheritance

Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.

Description : Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.

Last Answer : Morgan

Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane

Description : Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane

Last Answer : (d) Cell membrane

n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Description : n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Last Answer : (a) extra chromosomal material

In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Description : In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Last Answer : (a) extra chromosomal material