How many genes out of a gene pair does a plant that is self pollinated get from each of its parents?

How many genes out of a gene pair does a plant that is self pollinated get from each of its parents?
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one from each parent out of a gene pair. Because each parentscontributes fifty - fifty percent in the new offspring.
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A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What must be the percentage of white flower plants in F2 generation if flowers of F1 plants are self-pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology

Description : A blue colour flower plant denoted by BB is cross bred with that of white colour flower plant denoted by bb. (a) State the colour of flower you would expect in their F1 generation plants. (b) What ... -pollinated? (c) State the expected ratio of the genotypes BB and Bb in the F2 progeny. -Biology

Last Answer : This is your Answer.

What is each gene is inherited separately of genes of other traits is?

Description : What is each gene is inherited separately of genes of other traits is?

Last Answer : Need answer

Isolation distance for self pollinated crops i.e. rice, wheat

Description : Isolation distance for self pollinated crops i.e. rice, wheat

Last Answer : Ans. 3 m

Most commonly used method for selection from segregation generations of crosses in self pollinated crops

Description : Most commonly used method for selection from segregation generations of crosses in self pollinated crops

Last Answer : Ans. Pedigree method

Breeding refers to selection procedure in which the segregating population of self pollinated species is grown without selections

Description : Breeding refers to selection procedure in which the segregating population of self pollinated species is grown without selections

Last Answer : Ans. Bulk

A progeny of single homozygous, self pollinated crops

Description : A progeny of single homozygous, self pollinated crops

Last Answer : Ans. Pure line

Self pollinated species are also known as

Description : Self pollinated species are also known as

Last Answer : Ans. Autogamous species

Cross pollinated in apple generally produce a. Bad results than self pollinated b. Better results than self pollinated c. Same results as self pollinated d. Non of these

Description : Cross pollinated in apple generally produce a. Bad results than self pollinated b. Better results than self pollinated c. Same results as self pollinated d. Non of these

Last Answer : Better results than self pollinated

Which vegetable is self pollinated a. Peas b. Cucumber c. Watermelon d. Sponge gourd

Description : Which vegetable is self pollinated a. Peas b. Cucumber c. Watermelon d. Sponge gourd

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Tomato is a _________ crop. a. Self pollinated b. Insect pollinated c. Oftenly cross pollinated d. Wind pollinated

Description : Tomato is a _________ crop. a. Self pollinated b. Insect pollinated c. Oftenly cross pollinated d. Wind pollinated

Last Answer : Self pollinated

Nature of pollination in cucurbits is: a. Highly cross pollinated b. Oftenly cross pollinated c. Highly self pollinated d. None of above

Description : Nature of pollination in cucurbits is: a. Highly cross pollinated b. Oftenly cross pollinated c. Highly self pollinated d. None of above

Last Answer : Highly cross pollinated

Nature of pollination in cucurbits is: a. Highly cross pollinated b. Oftenly cross pollinated c. Highly self pollinated d. None of above

Description : Nature of pollination in cucurbits is: a. Highly cross pollinated b. Oftenly cross pollinated c. Highly self pollinated d. None of above

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Select the false statement a. HB4 is first bajra hybrid b. Bajra is self pollinated c. In banjara protogynous condition observed d. Bajra is drought tolerant

Description : Select the false statement a. HB4 is first bajra hybrid b. Bajra is self pollinated c. In banjara protogynous condition observed d. Bajra is drought tolerant

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Maize is — pollinated crop. a. Self b. Often cross c. Cross d. None of these

Description : Maize is — pollinated crop. a. Self b. Often cross c. Cross d. None of these

Last Answer : c. Cross

Wheat is — pollinated crop a. Self b. Cross c. Often cross d. None of these

Description : Wheat is — pollinated crop a. Self b. Cross c. Often cross d. None of these

Last Answer : a. Self

Jowar is — pollinated crop a. Self pollinated b. Cross pollinated c. Often cross pollinated d. None of these

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Last Answer : c. Often cross pollinated

Mass pedigree selection method of breeding is useful for improvement of — crop a. Self pollinated b. Cross pollinated c. Both a & b d. None of these

Description : Mass pedigree selection method of breeding is useful for improvement of — crop a. Self pollinated b. Cross pollinated c. Both a & b d. None of these

Last Answer : a. Self pollinated

Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that each gamete (pron: GAM-eet) contains one of the alleles (pron: a-leels). Is it: a) law of segregation b) law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting

Description : Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that ... law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting

Last Answer : ANSWER: A -- LAW OF SEGREGATION

The regulatory i gene of lac operon (A) Is inhibited by lacotse (B) Is inhibited by its own product, the repressor protein (C) Forms a regulatory protein which increases the expression of downstream structural genes (D) Is constitutively expressed

Description : The regulatory i gene of lac operon (A) Is inhibited by lacotse (B) Is inhibited by its own product, the repressor protein (C) Forms a regulatory protein which increases the expression of downstream structural genes (D) Is constitutively expressed

Last Answer : Answer : D

If your child had a ”gay gene”, or a sequence of genes leading to gayness, would you leave it unaltered if there was a way to eliminate, or modify it?

Description : If your child had a ”gay gene”, or a sequence of genes leading to gayness, would you leave it unaltered if there was a way to eliminate, or modify it?

Last Answer : I am not perfect and neither are my kids and I would not change a thing.

If 98% of human genes are from the Rhesus monkey gene where do you think the other 2% fit in?

Description : If 98% of human genes are from the Rhesus monkey gene where do you think the other 2% fit in?

Last Answer : answer:The chimpanzee and human genome diverged 6 million years ago. They have 98% identity and many conserved regulatory regions. Humans and macaques apparently share about 93% of their DNA sequence and shared a common ancestor roughly 25 million years ago. [Source]

Gene gun can introduced genes into cells with the help of

Description : Gene gun can introduced genes into cells with the help of

Last Answer : Gene gun can introduced genes into cells with the help of A. Plasmids B. Cosmide C. Microscopic pellets D. Moringa

When process adds new genes to a gene pool?

Description : When process adds new genes to a gene pool?

Last Answer : Need answer

What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?

Description : What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?

Last Answer : s.e.x linked

Which of the following genes of the E.coli “Lac operon” codes for a constitutive protein? (A) The ‘a’ gene (B) The ‘i’ gene (C) The ‘c’ gene (D) The ‘z’ gene

Description : Which of the following genes of the E.coli “Lac operon” codes for a constitutive protein? (A) The ‘a’ gene (B) The ‘i’ gene (C) The ‘c’ gene (D) The ‘z’ gene

Last Answer : Answer : B

Mutations in promoter regions of genes can cause (A) Premature termination of translation (B) Change in reading frame of downstream structural gene (C) Decreased efficiency of transcription (D) All of these

Description : Mutations in promoter regions of genes can cause (A) Premature termination of translation (B) Change in reading frame of downstream structural gene (C) Decreased efficiency of transcription (D) All of these

Last Answer : Answer : C

The coding sequences in lac operon include (A) i gene (B) i gene, operator locus and promoter (C) z, y and a genes (D) i, z, y and a genes

Description : The coding sequences in lac operon include (A) i gene (B) i gene, operator locus and promoter (C) z, y and a genes (D) i, z, y and a genes

Last Answer : Answer : D

The enzymes encoded by z, y and a genes of lac operon are inducible, and their inducer is (A) Lactose (B) Allo-lactose (C) Catabolite gene activator protein (D) All of these

Description : The enzymes encoded by z, y and a genes of lac operon are inducible, and their inducer is (A) Lactose (B) Allo-lactose (C) Catabolite gene activator protein (D) All of these

Last Answer : Answer : B

Transcription of structural genes of lac operon is prevented by binding of the repressor tetramer to (A) i gene (B) Operator locus (C) Promoter (D) z gene

Description : Transcription of structural genes of lac operon is prevented by binding of the repressor tetramer to (A) i gene (B) Operator locus (C) Promoter (D) z gene

Last Answer : Answer : B

Lac operon is a cluster of (A) Three structural genes (B) Three structural genes and their promoter (C) A regulatory gene, an operator and a promoter (D) A regulatory gene, an operator, a promoter and three structural genes

Description : Lac operon is a cluster of (A) Three structural genes (B) Three structural genes and their promoter (C) A regulatory gene, an operator and a promoter (D) A regulatory gene, an operator, a promoter and three structural genes

Last Answer : Answer : D

Constant segment genes of heavy chains are present in a cluster in which the first gene on side is (A) Alpha (B) Gamma (C) Delta (D) None of these

Description : Constant segment genes of heavy chains are present in a cluster in which the first gene on side is (A) Alpha (B) Gamma (C) Delta (D) None of these

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Consider the following methods by which gene therapy can be performed: 1. By introducing a new gene into the body 2. By the use of stem cells 3. By delivery of genes using gold nanoparticles The correct methods could be: (a) 1 and 2 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3 only

Description : Consider the following methods by which gene therapy can be performed: 1. By introducing a new gene into the body 2. By the use of stem cells 3. By delivery of genes using gold nanoparticles The correct methods could be: (a) 1 and 2 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3 only

Last Answer : Ans:(a)

That genes control heredity through their control on enzyme synthesis and that one gene controls the sythesis of one enzyme - the one gene one enzyme hypothesis — was proposed by (a) Beadle and Tatum (b) Darwin (c) Mendel (d) Morgan

Description : That genes control heredity through their control on enzyme synthesis and that one gene controls the sythesis of one enzyme - the one gene one enzyme hypothesis — was proposed by (a) Beadle and Tatum (b) Darwin (c) Mendel (d) Morgan

Last Answer : Ans:(a)

The sum of genes in a population is called – (1) Phenotype (2) Karyotype (3) Genotype (4) Gene pool

Description : The sum of genes in a population is called – (1) Phenotype (2) Karyotype (3) Genotype (4) Gene pool

Last Answer : (4) Gene pool Explanation: Phenotype refers to a set of observable characteristics of an individual or group resulting from the interaction of its genotype with its environment. Gene pool refers to the stock of different genes in an interbreeding population.

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several genes including the gene cry (c) is activated by acid pH of the foregut of the insect pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it

A collection of plants and seed having diverse alleles of all the genes of a crop is called (a) herbarium (b) germplasm (c) gene library (d) genome.

Description : A collection of plants and seed having diverse alleles of all the genes of a crop is called (a) herbarium (b) germplasm (c) gene library (d) genome.

Last Answer : (b) germplasm

Select the incorrect statement. (a) Inbreeding helps in accumulation of superior genes and elimination of undesirable genes. (b) Inbreeding increases homozygosity. (c) Inbreeding is essential to evolve purelines, in any animal. (d) Inbreeding selects harmful recessive gene that reduce fertility and productivity.

Description : Select the incorrect statement. (a) Inbreeding helps in accumulation of superior genes and elimination of undesirable genes. (b) Inbreeding increases homozygosity. (c) Inbreeding is essential to ... any animal. (d) Inbreeding selects harmful recessive gene that reduce fertility and productivity.

Last Answer : (d) Inbreeding selects harmful recessive gene that reduce fertility and productivity.

Match the following genes of the Lac operon with their respective products. (A) i gene (i) b-galactosidase (B) z gene (ii) Permease (C) a gene (iii)Repressor (D) y gene (iv) Transacetylase Select the correct option. (A) (B) (C) (D) (a) (iii) (iv) (i) (ii) (b) (i) (iii) (ii) (iv) (c) (iii) (i) (ii) (iv) (d) (iii) (i) (iv) (ii)

Description : Match the following genes of the Lac operon with their respective products. (A) i gene (i) b-galactosidase (B) z gene (ii) Permease (C) a gene (iii)Repressor (D) y gene (iv) Transacetylase Select the correct option. (A) (B) (C) ( ... ) (iii) (ii) (iv) (c) (iii) (i) (ii) (iv) (d) (iii) (i) (iv) (ii)

Last Answer : (a) (iii) (iv) (i) (ii)

Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron

Description : Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron

Last Answer : (b) one gene contains many cistrons

.The lac operon consists of (a) four regulatory genes only (b) one regulatory gene and three structural genes (c) two regulatory genes and two structural genes (d) three regulatory genes and three structural genes.

Description : .The lac operon consists of (a) four regulatory genes only (b) one regulatory gene and three structural genes (c) two regulatory genes and two structural genes (d) three regulatory genes and three structural genes.

Last Answer : (b) one regulatory gene and three structural genes

Match the following genes of the Lac operon with their respective products. (A) i gene (i) b-galactosidase (B) z gene (ii) Permease (C) a gene (iii)Repressor (D) y gene (iv) Transacetylase Select the correct option. (A) (B) (C) (D) (a) (iii) (iv) (i) (ii) (b) (i) (iii) (ii) (iv) (c) (iii) (i) (ii) (iv) (d) (iii) (i) (iv) (ii)

Description : Match the following genes of the Lac operon with their respective products. (A) i gene (i) b-galactosidase (B) z gene (ii) Permease (C) a gene (iii)Repressor (D) y gene (iv) Transacetylase Select the correct option. (A) (B) (C) ( ... ) (iii) (ii) (iv) (c) (iii) (i) (ii) (iv) (d) (iii) (i) (iv) (ii)

Last Answer : d) (iii) (i) (iv) (ii)

In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above

Description : In the regulation of genes: a. more than 90% of the base sequences in human DNA have not known function b. extrons are the part of the gene that code for amino acids found in the final proteins. c. introns usually begins with the nucleotide sequence GT d. all above

Last Answer : all above

Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron.

Description : Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron.

Last Answer : c) one gene contains one cistron

Transfer of genes (gene flow) in between different species is known as (a) Vertical gene flow (b) Horizontal gene flow (c) Lateral gene flow (d) Side gene flow

Description : Transfer of genes (gene flow) in between different species is known as (a) Vertical gene flow (b) Horizontal gene flow (c) Lateral gene flow (d) Side gene flow

Last Answer : (b) Horizontal gene flow

A woman with two genes for haemophilia and one gene for colour blindness on one of the ‘X’ chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons and 50% normal sons. (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Description : A woman with two genes for haemophilia and one gene for colour blindness on one of the X' chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons ... ). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Last Answer : (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier).

A male human is heterozygous for autosomal genes A and B and is also hemizygous for haemophilic gene h. What proportion of his sperms will be abh? (a) 1/8 (b) 1/32 (c) 1/16 (d) 1/4

Description : A male human is heterozygous for autosomal genes A and B and is also hemizygous for haemophilic gene h. What proportion of his sperms will be abh? (a) 1/8 (b) 1/32 (c) 1/16 (d) 1/4

Last Answer : (a) 1/8

.Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele expresses itself C. Pleiotropy (iii) In a heterozygous organism both alleles express themselves fully D. Polygenic (iv) A single gene inheritance influences many characters A B C D (a) (iv) (i) (ii) (iii) (b) (iv) (iii) (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)

Last Answer : (d) (ii) (iii) (iv) (i)

When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be (a) multiple alleles (b) the parts of same gene (c) pseudoalleles (d) different genes

Description : When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be (a) multiple alleles (b) the parts of same gene (c) pseudoalleles (d) different genes

Last Answer : (c) pseudoalleles

Two non-allelic genes produces the new phenotype w(a) epistasis (b) polygene (c) non complementary gene (d) complementary gene.hen present together but fail to do so independently then it is called

Description : Two non-allelic genes produces the new phenotype when present together but fail to do so independently then it is called (a) epistasis (b) polygene (c) non complementary gene (d) complementary gene.

Last Answer : epistasis

Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Description : Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they ... every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Last Answer : (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis.