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

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
by

1 Answer

Answer :

b) sperm cell
by

Related questions

In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.

Description : In Drosophila, the sex is determined by (a) the ratio of number of X-chromosome to the sets of autosomes (b) X and Y chromosomes (c) the ratio of pairs of X-chromosomes to the pairs of autosomes (d) whether the egg is fertilized or develops parthenogenetically.

Last Answer : (c) the ratio of pairs of X-chromosomes to the pairs of autosomes

. Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Description : . Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

Last Answer : (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.

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

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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.

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Last Answer : Female somatic cells

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Last Answer : What is the answer ?

Which organ of the female reproductive system sheds an unfertilized egg every month?

Description : Which organ of the female reproductive system sheds an unfertilized egg every month?

Last Answer : The uterus has a lining of blood in it. When the unfertilized egg passes through the uterus it sheds this lining which causes the blood to come out.

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Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Description : Cri-du-chat syndrome in humans is caused by the (a) trisomy of 21st chromosome (b) fertilisation of an XX egg by a normal Y-bearing sperm (c) loss of half of the short arm of chromosome 5 (d) loss of half of the long arm of chromosome 5.

Last Answer : (c) loss of half of the short arm of chromosome 5

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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.

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Last Answer : d) fertilisation takes place in human female

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Last Answer : (b) transfer of segments in X and Y chromosome

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

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Last Answer : (c) 1 : 1

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

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.A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

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Last Answer : (a) has 45 chromosomes with XO

Embryo originates from unfertilized egg

Description : Embryo originates from unfertilized egg

Last Answer : Ans. Parthenogenesis

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Last Answer : A) Parthenogenesis

What is the process by which an animal may develop from an UNfertilized egg?

Description : What is the process by which an animal may develop from an UNfertilized egg?

Last Answer : ANSWER: PARTHENOGENESIS (pron: par-then-a-GEN-a-sis)

.Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

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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

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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.

Freshly released human egg has (a) one Y-chromosome (b) one X-chromosome (c) two X-chromosome (d) one X-chromosome and one Y-chromosome.

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

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Which of the following is not a characteristic feature during mitosis in somatic cells? (a) Chromosome movement (b) Synapsis (c) Spindle fibres (d) Disappearance of nucleolus

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.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

Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene

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Last Answer : Ans:(a)

Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

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Last Answer : a) sex-chromosome

.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

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What is the number of autosomes in human body cells ?

Description : What is the number of autosomes in human body cells ?

Last Answer : The number of autosomes in human body cells is 44 (22 pairs).

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

Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.

Which part of sperm enters in egg in human ?

Description : Which part of sperm enters in egg in human ?

Last Answer : Which part of sperm enters in egg in human ? A. Complete sperm B. Only head C. Head and middle piece D. Head and acrosome

Where does Fertilization of a human egg by sperm takes place?

Description : Where does Fertilization of a human egg by sperm takes place?

Last Answer : In the Fallopian tubes,

Which one of the following statements about human sperm is correct? (a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation. (b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation. (c) Acrosome serves as a sensory structure leading the sperm towards the ovum. (d) Acrosome serves no particular function

Description : Which one of the following statements about human sperm is correct? (a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation. (b) The ... a sensory structure leading the sperm towards the ovum. (d) Acrosome serves no particular function

Last Answer : (b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation.

When you think back to the beginning of your existence, do you identify yourself as the sperm cell, or do you identify yourself as the unfertilised egg cell?

Description : When you think back to the beginning of your existence, do you identify yourself as the sperm cell, or do you identify yourself as the unfertilised egg cell?

Last Answer : Hmm. Well…. I guess I consider myself the sperm. I am a guy though…. I suspect others will think they are more like their gender identity as well.

What process by which the egg cell and sperm cell unite during sexual reproduction?

Description : What process by which the egg cell and sperm cell unite during sexual reproduction?

Last Answer : The process is known as fertilisation (or fertilization in American English)

If an egg cell contains 50 chromosomes how many chromosomes are in sperm cell from the same species?

Description : If an egg cell contains 50 chromosomes how many chromosomes are in sperm cell from the same species?

Last Answer : 50

Are gametes a sperm and egg cell?

Description : Are gametes a sperm and egg cell?

Last Answer : Need answer

How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-

Description : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-

Last Answer : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome ... 20(Twenty) C. 30(Thirty) D. 40(Forty)

Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.

Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.

Assertion : Sperm formation continues even in old men but formation of ovum caeses in women around the age of fifty years . Reason : Human male having

Description : Assertion : Sperm formation continues even in old men but formation of ovum caeses in women around the age of fifty years . Reason : Human male having

Last Answer : Assertion : Sperm formation continues even in old men but formation of ovum caeses in women around the ... D. If both Assertion & Reason are False.

How do the sperm get in the male human?

Description : How do the sperm get in the male human?

Last Answer : They don't 'get in' they are made in the testicles

An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of (a) Edward’s syndrome (b) Klinefelter’s syndrome (c) intersex (d) Down’s syndrome.

Description : An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of (a) Edward’s syndrome (b) Klinefelter’s syndrome (c) intersex (d) Down’s syndrome.

Last Answer : (b) Klinefelter’s syndrome

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

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

Why does a female frog produce hundreds of egg cells at a time but a female human produces only one egg cell at a time?

Description : Why does a female frog produce hundreds of egg cells at a time but a female human produces only one egg cell at a time?

Last Answer : Feel Free to Answer

A human somatic cell has 46 chromosomes. How many chromosomes are in a human gamete?

Description : A human somatic cell has 46 chromosomes. How many chromosomes are in a human gamete?

Last Answer : 23

The number of chromosomes present in the somatic cell of the human cell is - (1) 23 (2) 44 (3) 46 (4) 92

Description : The number of chromosomes present in the somatic cell of the human cell is - (1) 23 (2) 44 (3) 46 (4) 92

Last Answer : (3) 46 Explanation: Human cells have 23 pairs of chromosomes (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell.

How many chromosomes are in a human somatic cell?

Description : How many chromosomes are in a human somatic cell?

Last Answer : •Somatic cells (nonreproductive cells) have two sets of chromosomes

The number of chromosomes present in the somatic cell of the human cell is (1) 23 (2) 44 (3) 46 (4) 92

Description : The number of chromosomes present in the somatic cell of the human cell is (1) 23 (2) 44 (3) 46 (4) 92

Last Answer : 46