F2 generation of a dihybrid cross. -Biology

F2 generation of a dihybrid cross. -Biology
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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.

In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are:

Description : 4) In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are: (a) Phenotypes-4,genotypes-16 (b) ) Phenotypes-9,genotypes-4 (c) ) Phenotypes-4,genotypes-8 (d) ) Phenotypes-4,genotypes-9

Last Answer : 4.d Phenotypes-4,genotypes-9

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 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 

Select the correct Match : (1) Ribozyme - Nucleic acid (2) F2 x Recessive parent - Dihybrid cross (3) TH. Morgan - Transduction (4) G. Mendel - Transformation

Description : Select the correct Match : (1) Ribozyme - Nucleic acid (2) F2 x Recessive parent - Dihybrid cross (3) TH. Morgan - Transduction (4) G. Mendel - Transformation

Last Answer : (1) Ribozyme - Nucleic acid

f we cross pure-bred tall (dominant) pea plant with pure-bred dwarf (recessive) pea plant we will get pea plants of F1 generation. If we now self-cross the pea plant of F2 generation, then we obtain pea plants of F2 generation. (a) What do the plants of F2 generation look like? (b) State the ratio of tall plants to dwarf plants in F2 generation. (c) State the type of plants not found in F2 generation but appeared in F2 generation, mentioning the reason for the same. -Biology

Description : f we cross pure-bred tall (dominant) pea plant with pure-bred dwarf (recessive) pea plant we will get pea plants of F1 generation. If we now self-cross the pea plant of F2 generation, ... plants not found in F2 generation but appeared in F2 generation, mentioning the reason for the same. -Biology

Last Answer : Answer. (a) All plants of F1 generation will be tall plants. (b) 3:1 (c) Dwarf trait is recessive trait which was not expressed in the F1 generation, the recessive trait gets expressed in the F2 generation after self pollination.

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.

F2 generation of a monohybrid cross. -Biology

Description : F2 generation of a monohybrid cross. -Biology

Last Answer : answer:

What was the ratio of Mendel's F2 generation for the two-factor cross?

Description : What was the ratio of Mendel's F2 generation for the two-factor cross?

Last Answer : 9:3:3:1 was the ratio of Mendel's f2 generation for the twofactor cross.

In Mendel’s experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY × rryy? (a) Round seeds with yellow cotyledons, and wrinkled seeds with yellow cotyledons (b) Only round seeds with green cotyledons (c) Only wrinkled seeds with yellow cotyledons (d) Only wrinkled seeds with green cotyledons

Description : In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the ... green cotyledons (c) Only wrinkled seeds with yellow cotyledons (d) Only wrinkled seeds with green cotyledons

Last Answer : (d) Only wrinkled seeds with green cotyledons

Dihybrid F1 generation. -Biology

Description : Dihybrid F1 generation. -Biology

Last Answer : answer:

Difference of monohybrid cross and dihybrid cross -Biology

Description : Difference of monohybrid cross and dihybrid cross -Biology

Last Answer : answer:

Difference of monohybrid cross and dihybrid cross -Biology

Description : Difference of monohybrid cross and dihybrid cross -Biology

Last Answer : answer:

Difference of F1 generation and F2 generation. -Biology

Description : Difference of F1 generation and F2 generation. -Biology

Last Answer : answer:

Difference between the P generation F1 generation and F2 generation. -Biology

Description : Difference between the P generation F1 generation and F2 generation. -Biology

Last Answer : answer:

What is F2 generation? -Biology

Description : What is F2 generation? -Biology

Last Answer : answer:

F2 generation of incomplete dominance. -Biology

Description : F2 generation of incomplete dominance. -Biology

Last Answer : answer:

What is a Dihybrid Cross ?

Description : What is a Dihybrid Cross ?

Last Answer : : Definition of hybrid reproduction: - Hybrid reproduction or di-hybrid cross is called hybridization of two organisms of the same species with two pairs of alternate characteristics .

In a dihybrid cross with genotypes JjQq and JJQq what is the probability of getting an offspring with genotype JJQQ?

Description : In a dihybrid cross with genotypes JjQq and JJQq what is the probability of getting an offspring with genotype JJQQ?

Last Answer : Need answer

One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RRTt. what is the phenotype of this plant?

Description : One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RRTt. what is the phenotype of this plant?

Last Answer : red leaves, tall stems

Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................-----------------------------------------.................................................. PMT COACHING CLASSES (Zoology+Botany) – PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Description : Cross between hybrid and recessive parent is: (a) Back cross (b) Test cross (c) Monohybrid cross (d) Dihybrid cross Ans. (b) ................................................----- ... - PMT, AIIMS, MBBS,lucknow 1. Largest egg of plant kingdom belongs to: (a) Cycas (b) Pinus (c) Psidium (d) Mangfera

Last Answer : Ans. ((a))

A cross between homozygous recessive and heterozygous plant is - (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross

Description : A cross between homozygous recessive and heterozygous plant is - (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross

Last Answer : (2) Test cross Explanation: A cross between homozygous recessive and heterozygous plant is called Test Cross

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

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.

Two linked genes a and b show 20% recombination. the individuals of a dihybrid cross between ++/++ × ab/ab shall show gametes (a) ++ : 80 : : ab : 20 (b) ++ : 50 : : ab : 50 (c) ++ : 40 : : ab : 40 : : + a : 10 : : + b : 10 (d) ++ : 30 : : ab : 30 : : + a : 20 : : + b : 20.

Description : Two linked genes a and b show 20% recombination. the individuals of a dihybrid cross between ++/++ × ab/ab shall show gametes (a) ++ : 80 : : ab : 20 (b) ++ : 50 : : ab : 50 (c) ++ : 40 : : ab : 40 : : + a : 10 : : + b : 10 (d) ++ : 30 : : ab : 30 : : + a : 20 : : + b : 20.

Last Answer : (c) ++ : 40 : : ab : 40 : : + a : 10 : : + b : 10

In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the same chromosome (b) both of the characters are controlled by more than one gene (c) the two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Description : In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the ... two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Last Answer : (a) the two genes are linked and present on the same chromosome

A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called (a) monohybrid cross (b) back cross (c) test cross (d) dihybrid cross.

Description : A cross in which an organism showing a dominant phenotype is crossed with the recessive parent in order to know its genotype is called (a) monohybrid cross (b) back cross (c) test cross (d) dihybrid cross.

Last Answer : (c) test cross

The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.

Description : The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.

Last Answer : a) test cross

4. Crossing a Dominant character with (Homozygous & Hetrozygous) with a recessive trait to know the genome is called;- a) Back cross b) Monohybrid Cross C) Test Cross d)Dihybrid Cross

Description : 4. Crossing a Dominant character with (Homozygous & Hetrozygous) with a recessive trait to know the genome is called;- a) Back cross b) Monohybrid Cross C) Test Cross d)Dihybrid Cross

Last Answer : C) Test Cross

The dihybrid test cross ratio is

Description : 1. The dihybrid test cross ratio is a.1:1:1:1 b.3:1 c.1:1 d.1:2:1

Last Answer : Ans- a.1:1:1:1

Which of the following refers to a cross in which traits are considered simultaneously? Is it: a) dihybrid cross b) filial cross c) punnett cross d) none of the above

Description : Which of the following refers to a cross in which traits are considered simultaneously? Is it: a) dihybrid cross b) filial cross c) punnett cross d) none of the above

Last Answer : ANSWER: A -- DIHYBRID CROSS

A cross between homozygous recessive and heterozygous plant is (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross

Description : A cross between homozygous recessive and heterozygous plant is (1) Back cross (2) Test cross (3) Monohybrid cross (4) Dihybrid cross

Last Answer : Test cross

What happens to alleles between the p generation and the F2 generation?

Description : What happens to alleles between the p generation and the F2 generation?

Last Answer : In the P generation, one parent is homozygous dominant and theother parent is homozygous recessive. In the F1 generation, theproduct of a cross between the P generation, the offspring are allheterozygous ... expected result is 1/4 homozygous dominant,1/2 heterozygous, and 1/4 homozygous recessive.

Give reason: a) Tallness is called dominant factor in the F2 generation of pea plants.

Description : Give reason: a) Tallness is called dominant factor in the F2 generation of pea plants.

Last Answer : a) Tallness is called dominant factor in the F2 generation of pea plants. In the F2 generation tallness was the factor which expressed hence it is called the dominant factor. b) Dwarfness is called ... . In the F2 generation dwarfness was hidden or concealed, hence it is called the recessive factor.

What is meant by F2 or second filial generation?

Description : What is meant by F2 or second filial generation?

Last Answer : Mendel planted the F1 generation seeds. When the plants flowered, he allowed them to self pollinate. He collected and sowed the seeds. The plants which germinated were called the F2 or second filial generation.

On selfing a plant of F1-generation with genotype “AABbCC”, the genotypic ratio in F2-generation will be (a) 3 : 1 (b) 1 : 1 (c) 9 : 3 : 3 : 1 (d) 27 : 9 : 9 : 9 : 3 : 3 : 3 : 1.

Description : On selfing a plant of F1-generation with genotype “AABbCC”, the genotypic ratio in F2-generation will be (a) 3 : 1 (b) 1 : 1 (c) 9 : 3 : 3 : 1 (d) 27 : 9 : 9 : 9 : 3 : 3 : 3 : 1.

Last Answer : (a) 3 : 1

Which one of the following cannot be explained on the basis of Mendel’s law of dominance? (a) The discrete unit controlling a particular character is called a factor. (b) Out of one pair of factors one is dominant, and the other recessive. (c) Alleles do not show any blending and both the characters recover as such in F2 generation. (d) Factors occur in pairs.

Description : Which one of the following cannot be explained on the basis of Mendel's law of dominance? (a) The discrete unit controlling a particular character is called a factor. (b) Out of one pair of ... any blending and both the characters recover as such in F2 generation. (d) Factors occur in pairs.

Last Answer : (c) Alleles do not show any blending and both the characters recover as such in F2 generation

In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation all pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red and pink flowers. Choose the incorrect statements from the following. (a) Law of segregation does not apply in this experiment. (b) This experiment does not follow the Principle of Dominance. (c) Pink colour in F1 is due to incomplete dominance. (d) Ratio of F2 is 1 4 2 4 1 4 ( ) red p : ( ink w ) : ( ) hite .

Description : In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in F1 generation all pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red and pink flowers. Choose the incorrect ... F2 is 1 4 2 4 1 4 ( ) red p : ( ink w ) : ( ) hite .

Last Answer : (a) Law of segregation does not apply in this experiment.

If there is complete linkage in the F2 generation:

Description : 6 If there is complete linkage in the F2 generation: a) There will be only parental combination b) New combination will be more than the parental combinations c) Parental combinations will be equal to the new combinations d) New combinations would be lesser than the parent one

Last Answer : ANS: a There will be only parental combination

In the P generation, a tall plant is crossed with a short plant. The probability that an F2 plant will be tall is a. 50%. b. 75%. c. 25%. d. 100%.

Description : In the P generation, a tall plant is crossed with a short plant. The probability that an F2 plant will be tall is a. 50%. b. 75%. c. 25%. d. 100%.

Last Answer : b. 75%.

One of the parents of a cross has a mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of F2 progenies that mutation is found in (a) one-third of the progenies (b) none of the progenies (c) all the progenies (d) fifty percent of the progenies.

Description : One of the parents of a cross has a mutation in its mitochondria. In that cross, that parent is taken as a male. During segregation of F2 progenies that mutation is found in (a) one-third of the progenies (b) none of the progenies (c) all the progenies (d) fifty percent of the progenies.

Last Answer : (b) none of the progenies

In a genetic cross having recessive epistasis, F2 phenotypic ratio would be (a) 9 : 6 : 1 (b) 15 : 1 (c) 9 : 3 : 4 (d) 12 : 3 : 1.

Description : In a genetic cross having recessive epistasis, F2 phenotypic ratio would be (a) 9 : 6 : 1 (b) 15 : 1 (c) 9 : 3 : 4 (d) 12 : 3 : 1.

Last Answer : (c) 9 : 3 : 4

In a cross between AABB × aabb, the ratio of F2 genotypes between AABB, AaBB, Aabb and aabb would be (a) 9 : 3 : 3 : 1 (b) 2 : 1 : 1 : 2 (c) 1 : 2 : 2 : 1 (d) 7 : 5 : 3 : 1.

Description : In a cross between AABB × aabb, the ratio of F2 genotypes between AABB, AaBB, Aabb and aabb would be (a) 9 : 3 : 3 : 1 (b) 2 : 1 : 1 : 2 (c) 1 : 2 : 2 : 1 (d) 7 : 5 : 3 : 1.

Last Answer : (c) 1 : 2 : 2 : 1

A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.

Description : A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.

Last Answer : (a) determine the genotype of a plant at F2

5 Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the F2 from the matng of homozygous dominant and homozygous recessive individuals will possess the dominant phenotype?

Description : 5 Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the F2 from the matng of homozygous dominant and homozygous recessive individuals will possess the dominant phenotype? a) 0 per cent b) 25 per cent c) 50 per cent d) 75 per cent

Last Answer : ANS: b 25 per cent

In which cross would you obtain a 9:3:3:1 ratio for F2 Progeny. What is the test cross ratio of the same cross.

Description : In which cross would you obtain a 9:3:3:1 ratio for F2 Progeny. What is the test cross ratio of the same cross. 

Last Answer : Ans: Dihybrid cross. Test cross ratio is 1:1:1:1

What was the purpose of Mendel’s experiments with dihybrid crosses?

Description : What was the purpose of Mendel’s experiments with dihybrid crosses?

Last Answer : He wanted to determine if traits affected each other, andconcluded (based on his observations) that they did not.+ To find out if traits could affect the inheritance of othertraits.to determine if traits affected each other

The contents of a cell can be changed by pressing F2 key on keyboard. -Technology

Description : The contents of a cell can be changed by pressing F2 key on keyboard. -Technology

Last Answer : True F2 is a shortcut for making the cell editable.

F2 key is used to change file / folder key ?

Description : F2 key is used to change file / folder key ?

Last Answer : The F2 key is used to rename files / folders .

Whirlpool Dishwasher Error Code f2

Description : Whirlpool dishwasher DTC f2 What error does it indicate?

Last Answer : DTC F2 at Whirlpool indicates an error in Mechinka. The description for f2 is just "tight". I don't know exactly what this might mean, but you'll definitely need a mechanic.