Description : In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt, (a) 25% will be ... with red fruit (c) 75% will be tall with red fruit (d) all the offspring will be tall with red fruit
Last Answer : (b) 50% will be tall with red fruit
Description : Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino? (a) 50% (b) 75% (c) 100% (d) 25%
Last Answer : (d) 25%
Description : Down’s syndrome is caused by an extra copy of chromosome number 21. What percentage of offspring produced by an affected mother and a normal father would be affected by this disorder? (a) 100% (b) 75% (c) 50% (d) 25%
Last Answer : (c) 50%
Description : What is the dominant trait when a red eyed fly mates with a blue eyed fly relying in offspring that all have red eyes?
Last Answer : Need answer
Description : If a homozygous dominant parent and a heterozygous parent are crossed what percentage of the offspring are expected to be homozygous recessive?
Last Answer : Rr
Description : If one parent has two dominant alleles and another parent has two recessive alleles the offspring will have?
Last Answer : PFHHHHH
Description : RR (Red) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of (a) dominant-recessive (b) incomplete dominance (c) hybrid (d) supplementary genes.
Last Answer : (b) incomplete dominance
Description : When Gregor Mendel crossed true-breeding tall plants with true-breeding short plants, all the offspring were tall because a. the allele for tall plants is recessive. b. the allele for short plants is dominant. c. the allele for tall plants is dominant. d. they were true-breeding like their parents.
Last Answer : c. the allele for tall plants is dominant.
Description : Gregor Mendel concluded that traits are a. not inherited by offspring. b. inherited through the passing of factors from parents to offspring. c. determined by dominant factors only. d. determined by recessive factors only.
Last Answer : b. inherited through the passing of factors from parents to offspring.
Description : If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child? (a) 25% (b) 100% (c) No chance (d) 50%
Last Answer : 25%
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 : Accumulators should have adequate volume to store refrigerant charge at least (a) 10% (b) 25% (c) 50% (d) 75%
Last Answer : Ans: c
Description : 100% modulation in AM means a corresponding increase in total power by: A. 25% B. 75% C. 100% D. 50%
Last Answer : D. 50%
Description : Both husband and wife have normal vision though their fathers were colour blind. The probability of their daughter becoming colour blind is (a) 0% (b) 25% (c) 50% (d) 75%.
Last Answer : (a) 0%
Description : A man whose father was colour blind marries a woman who had a colour blind mother and normal father. What percentage of male children of this couple will be colour blind? (a) 25% (b) 0% (c) 50% (d) 75%
Description : Due to the cross between TTRr × ttrr the resultant progenies show what percent of tall, red flowered plants? (a) 50% (b) 75% (c) 25% (d) 100%
Last Answer : (a) 50%
Description : Which of the following represents a racemic mixture? (a) 75% (R)-2-butanol, 25% (S)-2-butanol (b) 25% (R)-2-butanol, 75% (S)-2-butanol (c) 50% (R)-2-butanol, 50% (S)-2-butanol (d) none of the above
Last Answer : 50% (R)-2-butanol, 50% (S)-2-butanol
Description : Cooling efficiency of a cooling tower is significantly affected under cross-wind condition and might decrease to……… in the range of moderate to high wind velocity condition. a) 50% c) 25% b) 75% d) 90%
Last Answer : 75%
Description : For ductility consideration, the maximum percentage of steel used should not exceed ------- of the balanced steel [ A ] 25% [ B ] 50% [ C ] 60% [ D ] 75%
Last Answer : [ D ] 75%
Description : In shafts with keyways the allowable stresses are usually ------------ proportional to the twisting moment. a.25% b. 50% c. 75% d. 95%
Last Answer : c. 75%
Description : When two transformers are operating in parallel, they will share the load as under: (A) proportional to their impedances. (B) inversely proportional to their impedances. (C) 50% - 50% (D) 25%-75%
Last Answer : Ans: A High rating transformer has higher impedance. kVA rating α Impedance of transformer
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%.
Description : The density of lead is 12 grams per cm3. A lead brick has a mass of 1.5 kilograms. Its dimensions are 10 cm by 5 cm by 4 cm. Is it: w) More than 75% hollow x) Between 50 and 75% hollow y) Between 25 and 50% hollow z) Between 0 and 25% hollow
Last Answer : ANSWER: Y -- BETWEEN 25 AND 50% HOLLOW
Description : If a male who is heterozygous for an autosomal trait mates with a female who is also heterozygous for that trait, what percent of their offspring are likely to be heterozygous for this trait as well?
Last Answer : ANSWER: 50%
Description : $ A cross between the pure recessive parent and the F-1 offspring is called Test cross. ! Test cross is a type of Back cross.
Last Answer : $ A cross between the pure recessive parent and the F-1 offspring is called Test cross. ! Test cross is a ... is wrong D. If both As and R are wrong.
Description : If Parent 1 Ty crosses with Parent 2 Ty what percentage of offspring will display the recessive trait?
Description : A true breeding plant is (a) one that is able to breed on its own (b) produced due to cross-pollination among unrelated plants (c) near homozygous and produces offspring of its own kind (d) always homozygous recessive in its genetic constitution.
Last Answer : c) near homozygous and produces offspring of its own kind
Description : What is the difference between dominant and recessive alleles?
Last Answer : Dominant alleles are expressed when present in either one or both copies, while recessive alleles are only expressed when present in both copies.
Description : What is the difference between a dominant and recessive trait?
Last Answer : A: A dominant trait is a genetic trait that is expressed when present in either one or both copies of the gene, while a recessive trait is a genetic trait that is only expressed when present in both copies of the gene.
Description : What is the difference between a dominant and recessive allele?
Last Answer : A: A dominant allele expresses its phenotype even if only one copy is present, while a recessive allele expresses its phenotype only if two copies are present.
Description : What is the difference between dominant and recessive traits?
Last Answer : A: Dominant traits are expressed when a person has one copy of a dominant allele, while recessive traits are expressed only when a person has two copies of a recessive allele.
Description : What is the difference between a dominant and a recessive allele?
Last Answer : A: A dominant allele is one that is expressed in the phenotype of an organism even if only one copy is present, while a recessive allele is only expressed in the phenotype if two copies are present.
Description : What is the difference between a recessive and a dominant allele?
Last Answer : A: A recessive allele is an allele that is only expressed when present in a homozygous state, while a dominant allele is an allele that is expressed even when present in a heterozygous state.
Last Answer : A: A dominant allele is expressed in the phenotype when present, while a recessive allele is only expressed in the phenotype when two copies are present.
Last Answer : A: A dominant allele is expressed in the phenotype even if it is present in only one copy, while a recessive allele is only expressed in the phenotype if it is present in two copies.
Description : What is the difference between a dominant allele and a recessive allele?
Last Answer : A: A dominant allele is expressed when present in either the homozygous or heterozygous state, while a recessive allele is only expressed when present in the homozygous state.
Description : What is the difference between a dominant and a recessive trait?
Last Answer : A: A dominant trait is expressed when an individual has one or two copies of the dominant allele, while a recessive trait is expressed only when an individual has two copies of the recessive allele.
Last Answer : A: A dominant allele masks the expression of a recessive allele in a heterozygous individual.
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 : What do the terms dominant and recessive mean? -Biology
Last Answer : answer:
Description : Difference between dominant and recessive traits. -Biology
Description : A plant has two alleles for color. The red allele is recessive, and is represented by q. The purple allele is dominant, and is represented by p. If 30 of 100 organisms are red, what is q?
Last Answer : 0.55
Description : A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is dominant, and is represented by p. If 20 of 100 organisms are green, what is q?
Last Answer : A. 0.45 Apex
Description : In Neurospora both recessive and dominant allels express their effect becacuse
Last Answer : In Neurospora both recessive and dominant allels express their effect becacuse A. Two genes control each ... gene D. Each gene has only one allele
Description : What is dominant in cats if bobtails are recessive?
Last Answer : Feel Free to Answer
Description : How are dominant and recessive traits written?
Description : Was the recessive form of any trait more frequent than the dominant form Explain this result?
Last Answer : What is the answer ?
Description : What does dominant and recessive mean in genetic?
Description : In a certain plant yellow leaves are dominant (Y) and red leaves are recessive (y). A plant with genotype Yy and a plant with Yy are crossed.?
Description : In a certain plant rough seeds R are dominant and smooth seeds r RECESSIVE two plants with genotype?