Write the genotypic ratio of monohybrid cross.

Write the genotypic ratio of monohybrid cross.
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1 Answer

Answer :

1:2:1 ( 1 pure tall, 2 tall & 1 pure dwarf)
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Related questions

Write the phenotypic ratio of monohybrid cross.

Description : Write the phenotypic ratio of monohybrid cross.

Last Answer : 3:1 (3 tall & 1 dwarf)

What is monohybrid cross ratio?

Description : What is monohybrid cross ratio?

Last Answer : The ratio obtained in the F2 generation by crossing of two different traits of a single character is called monohybrid cross ratio. It is 3:1

What is meant by monohybrid cross?

Description : What is meant by monohybrid cross?

Last Answer : A cross between two plants which differ in one specific character is called monohybrid cross.

Genotypic ratio of monohybrid cross. -Biology

Description : Genotypic ratio of monohybrid cross. -Biology

Last Answer : answer:

F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of (a) co-dominance (b) dihybrid cross (c) monohybrid cross with complete dominance (d) monohybrid cross with incomplete dominance.

Description : F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of (a) co-dominance (b) dihybrid cross (c) monohybrid cross with complete dominance (d) monohybrid cross with incomplete dominance.

Last Answer : (d) monohybrid cross with incomplete dominance.

F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of (1) Monohybrid cross with incomplete dominance (2) Co-dominance (3) Dihybrid cross (4) Monohybrid cross with complete dominance

Description : F2 generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of (1) Monohybrid cross with incomplete dominance (2) Co-dominance (3) Dihybrid cross (4) Monohybrid cross with complete dominance

Last Answer : (1) Monohybrid cross with incomplete dominance

What is dihybrid cross ratio?

Description : What is dihybrid cross ratio?

Last Answer : The ratio obtained in the F2 generation by crossing of two different traits of two characters is called monohybrid cross ratio. It is 9:3:3:1

Name the type of plants obtained by Carl Correns experiment and write the phenotype ratio.

Description : Name the type of plants obtained by Carl Correns experiment and write the phenotype ratio.

Last Answer : Carl Correns selected Four ‘O clock plant with red flowers and white flowers. In the F1 generation he obtained all pink flowers. In the F2 generation he obtained red, pink and white flowers in the ratio 1:2:1.

What phenotypic and genotypic ratios are expected in F2 generation when monohybrid and dihybrid crosses are made?

Description : What phenotypic and genotypic ratios are expected in F2 generation when monohybrid and dihybrid crosses are made?

Last Answer : Ans: Monohybrid cross : Phenotypic ratio is 3:1 and Genotypic ratio 1:2:1. Dihybrid cross : Phenotypic ratio 9:3:3:1. Genotypic ratio is 1:2:2:4:1:2:1:2:1 

What is dihybrid cross?

Description : What is dihybrid cross?

Last Answer : A cross between two plants which differ in two specific characters is called dihybrid cross.

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Write the structure of chromosomes.

Description : Write the structure of chromosomes.

Last Answer : A nucleus has long, diffused and thin thread like structure called chromatin thread or chromatin network in the nucleoplasm. Chromosomes are made of two main substances proteins and nucleic acids.

How to find the genotypic ratio after a cross? -Biology

Description : How to find the genotypic ratio after a cross? -Biology

Last Answer : answer:

What is the expected genotypic ratio for a one factor cross of two hybrid organisms?

Description : What is the expected genotypic ratio for a one factor cross of two hybrid organisms?

Last Answer : 1 homozygous dominant: 2 heterozygous: 1 homozygousrecessive

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Description : What is meant by cloning?

Last Answer : The group of molecules or cells or organism which is derived from the same parent by an asexual process is called a clone.

What is meant by cloning?

Description : What is meant by cloning?

Last Answer : The technique of obtaining genetically similar molecules, cells, tissues or organism from a common precursor invitro process is called cloning.

What is DNA finger print?

Description : What is DNA finger print?

Last Answer : The series of bands in the form of fingerprint with a unique pattern is called DNA finger print.

On what basis the short fragments of DNA arrange themselves?

Description : On what basis the short fragments of DNA arrange themselves?

Last Answer : The short fragments of DNA get separated on the basis of their size and net electrical charge.

What is gel electrophoresis?

Description : What is gel electrophoresis?

Last Answer : The technique of breaking down the DNA of individual into short segments using specific enzymes is called gel electrophoresis.

Explain DNA finger print technology.

Description : Explain DNA finger print technology.

Last Answer : The technique in biotechnology used for identifying individuals by determining the genetic relationships is called DNA finger print technology. The technique involves breaking down the DNA of individual into short ... of size and net electrical charge. They get arranged to form a finger print.

What is meant by DNA finger print technology?

Description : What is meant by DNA finger print technology?

Last Answer : The technique in biotechnology used for identifying individuals by determining the genetic relationships is called DNA finger print technology.

Mention any two applications of recombinant DNA technology in a) Animals breeding b) Plant breeding

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Mention one application of recombinant DNA technology.

Description : Mention one application of recombinant DNA technology.

Last Answer : Recombinant DNA technology is used to transfer nitrogen fixing gene from bacteria into plants which enable them to get nitrogen.

What is meant by recombinant DNA technology?

Description : What is meant by recombinant DNA technology?

Last Answer : The technique of manipulating the genes in the laboratory is called recombinant DNA technology. It involves the separation of desirable or useful gene from a cell and introduce it into another cell where it is made to express.

What is meant by genetic engineering?

Description : What is meant by genetic engineering?

Last Answer : The technique of inducing desirable changes in the genetic material such as DNA of an organism is called genetic engineering.

What is meant by biotechnology?

Description : What is meant by biotechnology?

Last Answer : The application of technological procedures on organisms or their processes or their products to obtain new substances for human welfare is called biotechnology.

What is the significance of DNA technology?

Description : What is the significance of DNA technology?

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Description : Mention the types of mutations. How do they occur?

Last Answer : Mutations are of two types – gene mutation and chromosome mutation. Gene mutation can occur naturally or it can be induced. Mutations are due to change in the base sequence of DNA.

What is meant by mutations?

Description : What is meant by mutations?

Last Answer : Any change in the structure or composition of genetic materials such as gene or chromosomes is called mutation.

Mention the significance of DNA.

Description : Mention the significance of DNA.

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‘Replication of DNA is a significant phenomenon’. How?

Description : ‘Replication of DNA is a significant phenomenon’. How?

Last Answer : Replication of DNA ensures equal distribution of the genetic material to the future daughter cells.

Briefly explain DNA replication.

Description : Briefly explain DNA replication.

Last Answer : DNA replication is the process of producing two identical replicas from one original DNA molecule. The process of replication begins with the breaking of hydrogen bonds between the nitrogenous bases of ... . The assembly of nucleotides on the parent DNA template is brought about by some enzymes.

What is meant by DNA replication?

Description : What is meant by DNA replication?

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Give reason: Genetic material present in the mother cell must get doubled.

Description : Give reason: Genetic material present in the mother cell must get doubled.

Last Answer : The daughter cells produced by cell division must receive the same genetic materials in same quantity so as to resemble the parent cell. Hence the genetic material present in the mother cells must be doubled.

Give reason: The two strands of DNA molecule are complementary to each other but are not identical.

Description : Give reason: The two strands of DNA molecule are complementary to each other but are not identical.

Last Answer : The two strands of DNA are not identical because the nitrogenous bases are different in pairing. A purine base of one polynucleotide chain always pairs with a pyramidine base on the other. Adenine (A) pairs ... and Cytosine (C) pairs with Thymine (T). Hence the two strands of DNA are complementary.

What is meant by complimentary base pairing?

Description : What is meant by complimentary base pairing?

Last Answer : The pairing of Adenine (A) with Thymine (T) and Guanine (G) paring with Cytosine (C) is called complimentary base pairing.

Name the nitrogenous bases in a DNA molecule.

Description : Name the nitrogenous bases in a DNA molecule.

Last Answer : The four nitrogenous bases are Adenine (A), Guanine (G), Cytosine (C) and Thymine (T).

What are purines and pyramidines?

Description : What are purines and pyramidines?

Last Answer : Nitrogenous bases Adenine (A) and Guanine (G) are called purines. Nitrogenous bases Cytosine (C) and Thymine (T) are called pyramidines.

What are nucleotides composed of?

Description : What are nucleotides composed of?

Last Answer : Each polynucleotide unit consists of Deoxyribose sugar, phosphate and a nitrogenous base.

Explain the Watson - Crick Model of DNA.

Description : Explain the Watson - Crick Model of DNA.

Last Answer : The structure of DNA molecule resembles a spirally twisted ladder called double helix. It has a pair of polynucleotide chain running anti-parallel (run parallel to each other but with opposite ... alternatively. The nitrogenous bases connect the two opposite strands like the rungs of a ladder.

What are genes?

Description : What are genes?

Last Answer : The thousands of hereditary units in the DNA molecule are called genes.

What is centromere?

Description : What is centromere?

Last Answer : The chromatids are held together by centromere.

What are chromatids?

Description : What are chromatids?

Last Answer : The two parallel stands of chromosomes are called chromatids.

Explain why there is deviation in the F1 generation of the 4’O clock plants with red and white flowers.

Description : Explain why there is deviation in the F1 generation of the 4’O clock plants with red and white flowers.

Last Answer : Red colour is expressed only in homozygous condition and the white colour is also expressed only in homozygous condition. But in heterozygous condition both the genes express. Hence intermediate pink coloured flowers are produced.

What is incomplete dominance? Illustrate and explain Carl Correns experiment of incomplete dominance.

Description : What is incomplete dominance? Illustrate and explain Carl Correns experiment of incomplete dominance.

Last Answer : When the results of monohybrid cross and dihybrid crosses do not follow the Mendel's principles then it is called incomplete dominance. Carl Correns conducted hybridization experiments using the ... pink flowers. This was deviation from Mendelian inheritance. This is called incomplete dominance.

What is meant by Mendelian type of inheritance?

Description : What is meant by Mendelian type of inheritance?

Last Answer : When the results of hybridization experiments are similar to that of Mendel’s experiment then it is called Mendelian type of inheritance.