‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
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Female somatic cells
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'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

Description : 'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

Last Answer : (3) Female somatic cells Explanation: A Barr body is the inactive X chromosome in a female somatic cell in those species in which sex is determined by the presence of the Y or W chromosome rather ... typical human female has only one Barr body per somatic cell, while a typical human male has none.

2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Last Answer : b) sperm cell

Assertion : Formation of sperm takes place in seminiferous tubules of testes . Reason : Seminiferous tubules lined with male germ cells and sertoli ce

Description : Assertion : Formation of sperm takes place in seminiferous tubules of testes . Reason : Seminiferous tubules lined with male germ cells and sertoli ce

Last Answer : Assertion : Formation of sperm takes place in seminiferous tubules of testes . Reason : Seminiferous ... . If both Assertion & Reason are False.

True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above

Description : True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above

Last Answer : all above

.Which one of the following cells, found in testes of rabbit, secretes male hormone? (a) Epithelial cells (b) Spermatocytes (c) Leydig’s cell (d) Sertoli cells

Description : .Which one of the following cells, found in testes of rabbit, secretes male hormone? (a) Epithelial cells (b) Spermatocytes (c) Leydig’s cell (d) Sertoli cells

Last Answer : (c) Leydig’s cell

In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?

Description : In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?

Last Answer : The answer is C. Gametes

(i) Write the specific location and the functions of the following cells in human males Leydig cells Sertoli cells Primary spermatocyte (ii) Explain the role of any two accessory glands in human male reproductive system. -Biology

Description : (i) Write the specific location and the functions of the following cells in human males Leydig cells Sertoli cells Primary spermatocyte (ii) Explain the role of any two accessory glands in human male reproductive system. -Biology

Last Answer : I)Oogenesis begins during the embryonic development stage when a million gamete mother cells (oogonia) are formed within each foetal ovary. (ii) (a) Sertoli cells are located on the inside ... provide nutrition to sperms. (b) Bulbourethral glands Their secretion helps in the lubrication of penis.

Male hormone is produced in the testis by cells of (a) Sertoli (b) epithelial (c) spermatocytes (d) Leydig.

Description : Male hormone is produced in the testis by cells of (a) Sertoli (b) epithelial (c) spermatocytes (d) Leydig.

Last Answer : (d) Leydig.

Regarding the human chromosomesa. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Description : Regarding the human chromosomes a. there are 23 pairs autosomal chromosomes b. the Y chromosome is larger than the X chromosome c. cells containing YO chromosome are not compatible with life d. Barr body is caused by the presence of an inactive X chromosome

Last Answer : cells containing YO chromosome are not compatible with life

.Number of Barr bodies in XXXX female is (a) 1 (b) 2 (c) 3 (d) 4

Description : .Number of Barr bodies in XXXX female is (a) 1 (b) 2 (c) 3 (d) 4

Last Answer : (c) 3

A normal female human cell will have how many Barr bodies per cell? Is it: a) 1 b) 2 c) 3 d) 4

Description : A normal female human cell will have how many Barr bodies per cell? Is it: a) 1 b) 2 c) 3 d) 4

Last Answer : ANSWER: A -- 1

Sertoli cells are found in

Description : Sertoli cells are found in

Last Answer : Sertoli cells are found in A. testis of cockroach B. liver of mammals C. testis of mammals D. testis of frog

Sertoli cells are found in (a) ovaries and secrete progesterone (b) adrenal cortex and secrete adrenaline (c) seminiferous tubules and provide nutrition to germ cells (d) pancreas and secrete cholecystokinin.

Description : Sertoli cells are found in (a) ovaries and secrete progesterone (b) adrenal cortex and secrete adrenaline (c) seminiferous tubules and provide nutrition to germ cells (d) pancreas and secrete cholecystokinin.

Last Answer : (c) seminiferous tubules and provide nutrition to germ cells

What mode of cell division sperm cells to be formed in the haploid male bee?

Description : What mode of cell division sperm cells to be formed in the haploid male bee?

Last Answer : Need answer

Select the correct sequence for transport of sperm cells in male reproductive system. (a) Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → Inguinal canal → Urethra → Urethral meatus (b) Testis → Epididymis → Vasa efferentia → Rete testis → Inguinal canal → Urethra (c) Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus (d) Seminiferous tubules → Vasa efferentia → Epididymis → Inguinal canal → Urethra

Description : Select the correct sequence for transport of sperm cells in male reproductive system. (a) Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → Inguinal canal → Urethra → ... → Urethral meatus (d) Seminiferous tubules → Vasa efferentia → Epididymis → Inguinal canal → Urethra

Last Answer : (c) Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus

Male gametophyte in angiosperms produces (a) single sperm and two vegetative cells (b) three sperms (c) two sperms and a vegetative cell (d) single sperm and a vegetative cell.

Description : Male gametophyte in angiosperms produces (a) single sperm and two vegetative cells (b) three sperms (c) two sperms and a vegetative cell (d) single sperm and a vegetative cell.

Last Answer : (c) two sperms and a vegetative cell

Name two types of somatic cells in your body.

Description : Name two types of somatic cells in your body.

Last Answer : Brain and liver

$ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human females.

Description : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human females.

Last Answer : $ A chromosomes with equal sized arms is called isobrachial. ! Barr bodies are present in the cells of human ... wrong D. If both As and R are wrong.

Fetal sex can be determined by examining cells from the amniotic fluid by looking for (a) chiasmata (b) kinetochore (c) barr bodies (d) autosomes.

Description : Fetal sex can be determined by examining cells from the amniotic fluid by looking for (a) chiasmata (b) kinetochore (c) barr bodies (d) autosomes.

Last Answer : (c) barr bodies

Mononucleosis is an infection of________ cells by the _____. a. T; cytomegalovirus b. B; Epstein-Barr virus c. Lung; cytomegalovirus d. red blood; Epstein.Barr virus

Description : Mononucleosis is an infection of________ cells by the _____. a. T; cytomegalovirus b. B; Epstein-Barr virus c. Lung; cytomegalovirus d. red blood; Epstein.Barr virus

Last Answer : d. red blood; Epstein.Barr virus

(i) When does oogenesis begin? (ii) Differentiate between the location and function of Sertoli cells and Leydig cells. -Biology

Description : (i) When does oogenesis begin? (ii) Differentiate between the location and function of Sertoli cells and Leydig cells. -Biology

Last Answer : Oogenesis begins during the embryonic development stage when a million gamete mother cells (oogonia) are formed within each foetal ovary. (ii) (a) Sertoli cells are located on ... seminiferous tubule called interstitial spaces. These cells synthesise and secrete testicular hormone called androgens.

The hormone which acts on Sertoli cells and stimulates the process of spermaogenesis is :

Description : The hormone which acts on Sertoli cells and stimulates the process of spermaogenesis is :

Last Answer : The hormone which acts on Sertoli cells and stimulates the process of spermaogenesis is : A. LH B. FSH C. Androgen D. GnRH.

In mammals, Sertoli cells occur in

Description : In mammals, Sertoli cells occur in

Last Answer : In mammals, Sertoli cells occur in A. Germinal epithelium of testis B. Germinal epithelium of ovary C. Medulls of kidney D. Adrenal cortex.

Sertoli cells occur in

Description : Sertoli cells occur in

Last Answer : Sertoli cells occur in A. Adrenal cortex and secrete adrenaline B. Seminiferous tubules and ... choleystokinus D. Ovarises and secrete progesterone.

Which of the following control the function Sertoli cells?

Description : Which of the following control the function Sertoli cells?

Last Answer : Which of the following control the function Sertoli cells? A. Estrogen B. FSH C. Testerone D. ACTH.

Sertoli cells secrete a hormone

Description : Sertoli cells secrete a hormone

Last Answer : Sertoli cells secrete a hormone A. Gonadotropin B. Testerone C. Relaxin D. Inhibin.

Sertoli cells are involved in :-

Description : Sertoli cells are involved in :-

Last Answer : Sertoli cells are involved in :- A. Respiration B. Nutrition of sperms C. Excretion D. Development of sex organs

Sertoli cells are regulated by the pituitary hormone known as

Description : Sertoli cells are regulated by the pituitary hormone known as

Last Answer : Sertoli cells are regulated by the pituitary hormone known as A. FSH B. GH C. Prolactin D. LH

Sertoli cells occur in

Description : Sertoli cells occur in

Last Answer : Sertoli cells occur in A. human testis B. frog testis C. human ovary D. frog ovary

Sertoli cells are regulated by the pituitary hormone known as

Description : Sertoli cells are regulated by the pituitary hormone known as

Last Answer : Sertoli cells are regulated by the pituitary hormone known as A. Prolactin B. LH C. FSH D. GH

Androgens are synthesised in (A) Leydig cells in testes (B) Sertoli cells in testes (C) Seminiferous tubules (D) Prostate gland

Description : Androgens are synthesised in (A) Leydig cells in testes (B) Sertoli cells in testes (C) Seminiferous tubules (D) Prostate gland

Last Answer : Answer : A

All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone

Description : All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone

Last Answer : Answer : D

In males, luteinising hormone acts on (A) Leydig cells (B) Sertoli cells (C) Prostate gland (D) All of these

Description : In males, luteinising hormone acts on (A) Leydig cells (B) Sertoli cells (C) Prostate gland (D) All of these

Last Answer : Answer : A

Androgens are produced by (A) Cells of sertoli (B) Leydig cells (C) Rete testis (D) Efferent ductules

Description : Androgens are produced by (A) Cells of sertoli (B) Leydig cells (C) Rete testis (D) Efferent ductules

Last Answer : Answer : B

Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.

Description : Select the incorrect statement. (a) LH and FSH decrease gradually during the follicular phase. (b) LH triggers secretion of androgens from the Leydig cells. (c) FSH stimulates the Sertoli cells which help in spermiogenesis. (d) LH triggers ovulation in ovary.

Last Answer : (a) LH and FSH decrease gradually during the follicular phase.

Sertoli cells are regulated by the pituitary hormone known as (a) LH (b) FSH (c) GH (d) prolactin

Description : Sertoli cells are regulated by the pituitary hormone known as (a) LH (b) FSH (c) GH (d) prolactin

Last Answer : FSH

The difference between spermiogenesis and spermiation is (a) in spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed (b) in spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed (c) in spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed (d) in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules

Description : The difference between spermiogenesis and spermiation is (a) in spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed (b) in spermiogenesis spermatozoa are formed, ... in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules

Last Answer : (d) in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

Testosterone is produced by (a) sertoli cells (b) Leydig’s cells (c) oxyntic cells (d) pituitary gland.

Description : Testosterone is produced by (a) sertoli cells (b) Leydig’s cells (c) oxyntic cells (d) pituitary gland.

Last Answer : (b) Leydig’s cells

The difference between spermiogenesis and spermiation is (1) In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed. (2) In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed. (3) In spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed. (4) In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

Description : The difference between spermiogenesis and spermiation is (1) In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed. (2) In spermiogenesis spermatozoa are formed, ... in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

Last Answer : (4) In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

WRITE THE LOCATION AND FUNCTION OF SERTOLI CELLS IN HUMANS.

Description : WRITE THE LOCATION AND FUNCTION OF SERTOLI CELLS IN HUMANS.

Last Answer : ANS. IN THE SEMINIFEROUS TUBULES OF TESTIS, NOURISHES DEVELOPING SPERMS.

In which of the following animals the sperm can survive for a longer period in the body of female ?

Description : In which of the following animals the sperm can survive for a longer period in the body of female ?

Last Answer : In which of the following animals the sperm can survive for a longer period in the body of female ? A. Mammals B. Aves C. Reptiles D. Amphibia

Barr body in mammals represent

Description : Barr body in mammals represent

Last Answer : Barr body in mammals represent A. One of the two X chromosomes in somatic cells of females ... of male D. All heterochromatin of female cells

What is Barr body Genes?

Description : What is Barr body Genes? 

Last Answer : Located inside the nuclear envelope, it is a densely staining object that is an inactivated X chromosome in female mammalian cells. Most Barr body genes are not expressed. They are reactivated in gonadal ... transcript, is an RNA; multiple copies of XIST attach to the X chromosome inactivating it.  

Selection of somatic hybrid cells? -Biology

Description : Selection of somatic hybrid cells? -Biology

Last Answer : answer:

Selection of somatic hybrid cells? -Biology

Description : Selection of somatic hybrid cells? -Biology

Last Answer : answer:

$ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells.

Description : $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells.

Last Answer : $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells. A. If both As and R ... is wrong D. If both As and R are wrong.

Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule?

Description : Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule?

Last Answer : Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule? A. 40 B. 20 C. 10 D. 40 and 20

Where does mitosis happen in somatic or germ cells?

Description : Where does mitosis happen in somatic or germ cells?

Last Answer : Mitosis happens in the somatic cell

Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Description : Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Last Answer : Answer : D

S1 nuclease hydrolyses (A) DNA of somatic cells (B) DNA of sperms (C) Any double stranded DNA (D) Any single stranded DNA

Description : S1 nuclease hydrolyses (A) DNA of somatic cells (B) DNA of sperms (C) Any double stranded DNA (D) Any single stranded DNA

Last Answer : Answer : D