Dihybrid F1 generation. -Biology

Dihybrid F1 generation. -Biology
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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

F2 generation of a dihybrid cross. -Biology

Description : F2 generation of a dihybrid 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.

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 

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.

What is F1 generation? -Biology

Description : What is F1 generation? -Biology

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What phenotypes are present in the F1 generation? -Biology

Description : What phenotypes are present in the F1 generation? -Biology

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Difference of F1 generation and F2 generation. -Biology

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

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Offspring of the F1 generation. -Biology

Description : Offspring of the F1 generation. -Biology

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

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

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How did Mendel make the F1 generation for his experiments?

Description : How did Mendel make the F1 generation for his experiments?

Last Answer : he crossed two pure lines

In mendels monohybrid cross of purebred white flowered plant and purebred purple flowered plant the F1 generation?

Description : In mendels monohybrid cross of purebred white flowered plant and purebred purple flowered plant the F1 generation?

Last Answer : Need answer

If a dwarf pea plant was treated with gibberellic acid, it became as tall, as tall pea plants. If these pea plants are crossed with pure tall pea plants, what will be the phenotypic ratio in F1 generation? (a) All dwarf plants (b) 50% tall and 50% dwarf plants (c) 75% tall and 25% dwarf plants (d) 100% tall plants

Description : If a dwarf pea plant was treated with gibberellic acid, it became as tall, as tall pea plants. If these pea plants are crossed with pure tall pea plants, what will be the phenotypic ratio in F1 generation? ... (b) 50% tall and 50% dwarf plants (c) 75% tall and 25% dwarf plants (d) 100% tall plants

Last Answer : Ans. ((d))

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 meant by F1 or first filial generation?

Description : What is meant by F1 or first filial generation?

Last Answer : The plants obtained by Mendel by cross pollinating plants Mendel collected the seeds of the cross pollinated plats and sowed them in the next season. The plants obtained were called as F1 or first 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

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation? (a) 9 : 1 (b) 1 : 3 (c) 3 : 1 (d) 50 : 50

Description : In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in F1 generation? (a) 9 : 1 (b) 1 : 3 (c) 3 : 1 (d) 50 : 50

Last Answer : (d) 50 : 50

Which idea is depicted by a cross in which the F1 generation resembles both the parents? (a) Inheritance of one gene (b) Co-dominance (c) Incomplete dominance (d) Complete dominance

Description : Which idea is depicted by a cross in which the F1 generation resembles both the parents? (a) Inheritance of one gene (b) Co-dominance (c) Incomplete dominance (d) Complete dominance

Last Answer : (b) Co-dominance

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.

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:

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

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

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

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

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

When is Rush released, the F1 film about James Hunt, and will you watch it?

Description : When is Rush released, the F1 film about James Hunt, and will you watch it?

Last Answer : Middle of September sometime & yes I plan on seeing it. Ron Howard was on Top Gear recently & they showed a trailer of the film, looks great. James Hunt was before my time watching the sport, but ... a rock star. Smoked in the pit lane, drank himself stupid & bedded hot girls how times have changed.

Is investing in the stock market lawful for F1- International Students in the U.S.?

Description : Is investing in the stock market lawful for F1- International Students in the U.S.?

Last Answer : I don’t see why not. Most banks or brokers you set up with will ask your citizenship status, but I don’t think it makes a difference as to whether or not you can buy stock. Just call the broker you plan on using and ask.

Should the undisputed master, Michael Schumacher, return to F1?

Description : Should the undisputed master, Michael Schumacher, return to F1?

Last Answer : If you’re on about the German cobbler then yeah I think it’s rumoured he’ll be with Mercedes next year. I’d be glad to see him back if only to see him & Alonso knock each other off smug gits. While Hamilton coasts toward title no. 2.

Is it not about time there was female drivers in the F1 ?

Description : Is it not about time there was female drivers in the F1 ?

Last Answer : A very good and interesting question. That would be cool. I have never heard of a female race driver. I am sure there have been. Are there female race drivers? I have only questions here. This is something I have never thought about. Edited: Out of context.

Why are people shocked Ferrari may leave F1 next year ?

Description : Why are people shocked Ferrari may leave F1 next year ?

Last Answer : ‘Cause it’s Ferrari, and you either hate ir or love it. It’s as if the Yankees were leaving MLB.

Who will be crowned F1 constrictor and driver champions this season?

Description : Who will be crowned F1 constrictor and driver champions this season?

Last Answer : Kimi or Hamilton….Alonso might play the spoiler since he’s back with Renault….

A Mendelian experiment consisted of breeding pea plants bearing violet flowers with pea plants bearing white flowers. What will be the result in F1 progeny ? -Science

Description : A Mendelian experiment consisted of breeding pea plants bearing violet flowers with pea plants bearing white flowers. What will be the result in F1 progeny ? -Science

Last Answer : Violet flowers

Which shortcut key is used to make the selected text italic? (a) Ctrl +I (b) Shift +I (c) F1 + I (d) None of these -Technology

Description : Which shortcut key is used to make the selected text italic? (a) Ctrl +I (b) Shift +I (c) F1 + I (d) None of these -Technology

Last Answer : (a) Ctrl+I is the shortcut key to make the selected text italic.

Which government agency do I report my new passport number to while on an F1 student visa?

Description : Which government agency do I report my new passport number to while on an F1 student visa?

Last Answer : I'm studying in the US and have an F1 student visa in my expired British passport. I am now in possession of a brand new British passport (the visa is still in the original). Who is the correct govt agency to report this to and how do I report it?

A short-haired guinea pig is crossed with a long-haired guinea pig. All of the F1 offspring from the cross are short-haired.Which phenotype is dominantA. long hairB. short hairC. SSD. ss?

Description : A short-haired guinea pig is crossed with a long-haired guinea pig. All of the F1 offspring from the cross are short-haired.Which phenotype is dominantA. long hairB. short hairC. SSD. ss?

Last Answer : Abyssinian