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.
Description : When Mendel used pea plants true breeding for yellow peas or green peas in an experiment. All the offspring produced from this cross were yellow. When the offspring were allowed to self pollinate one?
Last Answer : yyYy
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.
Description : A common test to find the genotype of a hybrid is by (a) crossing of one F2 progeny with female parent (b) studying the sexual behaviour of F1 progenies (c) crossing of one F1 progeny with male parent (d) crossing of one F2 progeny with male parent
Last Answer : (c) crossing of one F1 progeny with male parent
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.
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.
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))
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
Description : A tall plant is crossed with a short plant. If the tall F1 pea plants are allowed to self-pollinate, a. the offspring will be of medium height. b. all of the offspring will be tall. c. all of the offspring will be short. d. some of the offspring will be tall, and some will be short.
Last Answer : d. some of the offspring will be tall, and some will be short.
Description : In Antirrhinum two plants with pink flowers were hybridized. The F1 plants produced red, pink and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for ... is determined by RR and white by rr genes. (a) rrrr (b) RR (c) Rr (d) rr
Last Answer : (c) Rr
Description : Who received the Nobel Prize in Physics in 1923 for his experiment which measured the charge of the electron. The experiment consisted of allowing drops of oil which had become charged to fall in an electric field.
Last Answer : ANSWER: (ROBERT ANDREWS) MILLIKAN
Description : How did Mendel obtain pure or true breeding varieties of the contrasting forms of pea plants?
Last Answer : Mendel obtained pure or true breeding varieties of pea plants by allowing them to self pollinate for several generations.
Description : Name the two technique involved in controlled breeding experiment? -Science
Last Answer : answer:
Description : In pea plants the presence of an allele for purple flowers will mask the presence of an allele for white flowers. What does this mean?
Last Answer : Need answer
Description : How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits? (a) 4 (b) 2 (c) 14 (d) 8
Last Answer : (c) 14
Description : When white -flowered plant were crossed with pure red - flowered plants, the progeny were - (a) White flowered (b) Red flowered (c) Exhibiting 3:1 ratio of red to whiteflowered plants (d) Exhibiting 1:1 ratio of red to whiteflowered plants
Last Answer : Ans:(b)
Description : What was a popular drawing medium during the Renaissance consisted of a stylus of gold silver or other metal that was dragged across a prepared ground of lead white bone and water.?
Description : Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobacco and groundnut, how many plants have corolla with valvate aestivation? (a) Six (b) Seven (c) Eight (d) Five
Last Answer : (b) Seven
Description : Mention the advantages of selecting pea plant for experiment by Mendel. -Biology
Description : Which best describes the result of Mendel’s work with pea plants?
Last Answer : (Apex Learning) He showed how traits are passed between generations.
Description : What is common between vegetative reproduction and apomixis? (a) Both are applicable to only dicot plants. (b) Both bypass the flowering phase. (c) Both occur round the year. (d) Both produce progeny identical to the parent.
Last Answer : (d) Both produce progeny identical to the parent
Description : Do you need to string white butter pea plants
Last Answer : Some people string them, others do not, it is a matter of preferance.
Description : The symptoms of powdery mildew of pea (caused by Erysiphe polygoni) first appears on (a) Stem (b) Roots (c) Leaves (d) Flowers
Last Answer : (c) Leaves
Description : Flowers are unisexual in (a) China rose (b) onion (c) pea (d) cucumber.
Last Answer : (d) cucumber.
Description : The atmosphere of the primitive earth before origin of life consisted of: (a) Nitrogen, Oxygen, Ammonia, and Water vapour (b) Methane, Ammonia, Hydrogen, and Water vapour (c) Nitrogen, Oxygen, Water, and Carbon dioxide (d) Ammonia, Water, Oxygen, and Hydrogen
Description : Your Sunday morning consisted of what three things...
Last Answer : Coffee, watching This Week, and hanging with my wife.
Description : Once upon a time there was a happy family in a dome shaped house the family consisted of a mother, a farther, a chef, a maid, a brother, a sister, and a little kitty named bubbles. The ... the chef said he was sharpening the knife to cut the freshly baked apple pie. Who killed bubbles? -Riddles
Last Answer : The maid! There are no corners in a dome shaped house. Mew!
Description : the han dynasty (202 b.c. – a.d. 8; a.d. 25-220) consisted of two parts called the _____. -General Knowledge
Last Answer : The Han Dynasty (202 B.C. – A.D. 8; A.D. 25-220) consisted of two parts called the Former and Latter.
Description : What was the name of the Nazi Youth organisation which consisted of all German boys of 14 to 18 years of age? -History 9th
Last Answer : Hitler Youth (Hitlerjugend) for boys 14 to 18 years old.
Description : Agent Orange consisted of
Last Answer : Agent Orange consisted of A. 2,4 -D B. 2,4,5-T C. Dioxin as contaminant D. All the above
Description : Which is not consisted in a processor A) ALU B) CU C) Memory D) Registers
Last Answer : Answer : C
Description : Each set of Napier’s bones consisted of rods. A) 5 B) 9 C) 11 D) 13
Description : The theory that heat consisted of a fluid, which could be transferred from one body to another, but not “created” or “destroyed”. a. Clausius Theorem b. Caloric Theory c. Joules Law d. Newton’s Law of cooling
Last Answer : Caloric Theory
Description : In mendels monohybrid cross of purebred white flowered plant and purebred purple flowered plant the F1 generation?
Description : What is the result of a Lion and a Tiger breeding?
Last Answer : liger (tion also cool)
Description : When pink flowers result from a red parent and white parent what happens?
Last Answer : Feel Free to Answer
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.
Description : What is Mendelian Inheritance ?
Last Answer : Mendelism or Mendelian Inheritance.
Description : Genetic drift in mendelian population takes place in :-
Last Answer : Genetic drift in mendelian population takes place in :- A. Small population B. Large population C. Oceanic population D. Never occurs
Description : Which is a non-Mendelian trait?
Last Answer : A trait controlled by many genes
Description : What best describes Mendelian traits?
Last Answer : What is the answer ?
Description : Which is a non Mendelian trait?
Last Answer : a trait with 4 alleles
Description : Which is a non mendelian-trait?
Description : All the following statements about restriction fragment length polymorphism are true except (A) It results from mutations in restriction sites (B) Mutations in restriction sites can occur in coding or non- ... It is inherited in Mendelian fashion (D) It can be used to diagnose any genetic disease
Last Answer : Answer : D
Description : Mendelian population is also known as
Last Answer : Ans. Random mating population
Description : Segregation of Mendelian factor (Aa) occurs during (a) diplotene (b) anaphase I (c) zygotene/pachytene (d) anaphase II.
Last Answer : b) anaphase I
Description : Segregation of Mendelian factors (no linkage, no crossing over) occurs during (a) anaphase I (b) anaphase II (c) diplotene (d) metaphase I.
Last Answer : a) anaphase I
Description : The contrasting pairs of factors in Mendelian crosses are called (a) multiple alleles (b) allelomorphs (c) alloloci (d) paramorphs.
Last Answer : b) allelomorphs
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.