Description : In fruit flies long wings are dominant to short wings. Cross a heterozygous long winged fruit fly with another heterozygous long winged fruit fly. what are the expected genotype and phenotype ratios?
Last Answer : Need answer
Description : What is the difference between a heterozygous phenotype produced by incomplete dominance and a heterozygous phenotype produced by codominance?
Last Answer : http://wiki.answers.com/Q/What_is_the_difference_between_a_heterozygous_phenotype_produced_by_incomplete_dominance_and_a_heterozygous_produced_by_codominance"
Description : For peas, round seed shape (R) is dominant to wrinkled seed shape (r). A homozygous dominant plant is crossed with a heterozygous plant. What are the expected ratios for genotype and phenotype of the offspring?
Last Answer : rr, Rr
Description : A pair of alleles is said to be heterozygous when -Biology
Last Answer : answer:
Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)
Last Answer : (d) (ii) (iii) (iv) (i)
Description : An organism with two identical alleles is (a) dominant (b) hybrid (c) heterozygous (d) homozygous.
Last Answer : (d) homozygous.
Description : What Dominant alleles are both fully expressed in a phenotype?
Last Answer : This is a type of heredity where two dominant alleles are bothfully expressed in a phenotype.
Description : In what alleles can be observed in the phenotype?
Last Answer : What is the answer ?
Description : Alleles are (a) different molecular forms of a gene (b) heterozygotes (c) different phenotype (d) true breeding homozygotes
Last Answer : Alleles are (a) different molecular forms of a gene (b) heterozygotes (c) different phenotype (d) true breeding homozygotes.
Description : Which of the following pairs is wrongly matched? (a) Starch synthesis in pea : Multiple alleles (b) ABO blood grouping : Co-dominance (c) XO type sex determination: Grasshopper (d) T.H. Morgan : Linkage
Last Answer : (a) Starch synthesis in pea : Multiple alleles
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 : 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
Description : Which of the following pairs in wrongly matched ? (1) Starch synthesis in pea : Multiple alleles (2) ABO blood grouping : Co-dominance (3) XO type sex determination : Grasshopper (4) T.H. Morgan : Linkage
Last Answer : (1) Starch synthesis in pea : Multiple alleles
Description : The quickest way to produce homozygous breeding lines from heterozygous parents is through: (a) Half-seed technique (b) doubled haploids (c) Introgression (d) Aneuploidy
Last Answer : (b) doubled haploids
Description : When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be (a) multiple alleles (b) the parts of same gene (c) pseudoalleles (d) different genes
Last Answer : (c) pseudoalleles
Description : Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.
Last Answer : (c) When IA and IB are present together, they express same type of sugar.
Description : Point out the correct statement. a) Mapper maps input key/value pairs to a set of intermediate key/value pairs b) Applications typically implement the Mapper and Reducer interfaces to provide the map and ... methods c) Mapper and Reducer interfaces form the core of the job d) None of the mentioned
Last Answer : None of the mentioned
Description : The reaction intermediate produce by homolytic cleavage of bond is called,
Last Answer : The reaction intermediate produce by homolytic cleavage of bond is called, A. carbocations B. carbanions C. free radicals D. carbenes
Description : Caprolactum is one of the intermediate for preparing nylon-6. Which of the following can produce caprolactum?
Last Answer : Caprolactum is one of the intermediate for preparing nylon-6. Which of the following can produce ... B. Cyclohexane C. Benzene D. Ethylene glycol
Description : Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total ... (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)
Last Answer : (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate
Description : What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the ... by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.
Last Answer : It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.
Description : Chlorine free radicals react with methane by : (a) donating their free-radical electron to methane to form chloromethane. (b) abstracting a hydrogen atom from methane, and producing ... produce chloromethane. (d) forming a carbonium ion intermediate that rapidly dissociates to form chloromethane
Last Answer : abstracting a hydrogen atom from methane, and producing HCl and a methyl radical
Description : What is heterozygous? -Biology
Description : Difference between homozygous and heterozygous. -Biology
Description : Why are heterozygous individuals called carriers? -Biology
Description : Why is the heterozygous condition important -Biology
Description : Why can't an organism be heterozygous recessive? -Biology
Description : When Mendel crossed plants that were heterozygous. -Biology
Description : What do you mean by heterozygous ?
Last Answer : : An organism derived from a homozygot is called a homozygous ; Again the opposite means consisting of individual features [e.g. T and t] The hybrid zygote produced by the union of two gametes is called heterozygote
Description : What is Heterozygous ?
Last Answer : reverse i.e. with individual features [e.g. The hybrid zygote produced by the union of two gametes, T and t] , is called heterozygote, and the heterozygotic organism is called heterozygous.
Last Answer : Heterozygous is a condition that occurs when one of the two genes is exposed and the other is exposed.
Description : In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by
Last Answer : In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by A. pq B. `q^(2)` C. `p^(2)` D. 2pq
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 : What is the probability that two heterozygous parents would have an offspring that produced round seeds (Express your answer as a ratio.)?
Description : If the pattern of inheritance for a trait is complete dominance then an organism heterozygous for the trait would normally express what?
Description : If yellow flower color is dominant to blue flower color what will plant that is heterozygous be?
Description : Is DD heterozygous or homozygous?
Last Answer : homozygous
Description : How you can determine whether or not the black parent is homozygous or heterozygous for the condition?
Last Answer : You are not giving enough information to solve this. But, in practice, further crosses will give some clue if the same results occur. If that happens, then the parent in homozygous dominant.
Description : Progeny of a single cross fertilized heterozygous individual
Last Answer : Ans. Inbred
Description : Which of the following suggests a diagnosis of familial combined hyperlipidaemia (FCHL) rather than heterozygous familial hypercholesterolaemia (FH)? 1) Tendon xanthomas 2) Presence of glucose ... premature coronary artery disease 4) Presence of arcus senilus 5) Absence of hyperuricaemia
Last Answer : Answers-2 The genetic dislipidaemias occur in one third of patients who have suffered from their first myocardial infarction below the age of 50 years in men. The commonest is familial combined ... xanthomata and arcus cornea are rarely present in children, but are very important signs to identify.
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
Description : A male human is heterozygous for autosomal genes A and B and is also hemizygous for haemophilic gene h. What proportion of his sperms will be abh? (a) 1/8 (b) 1/32 (c) 1/16 (d) 1/4
Last Answer : (a) 1/8
Description : A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy (a) may be colour blind or ... colour vision (d) will be partially colour blind since he is heterozygous for the colour blind mutant allele
Last Answer : (a) may be colour blind or may be of normal vision
Description : Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character. (a) The female parent is heterozygous. (b) The parents could not ... The trait under study could not be colour blindness. (d) The male parent is homozygous dominant.
Last Answer : (a) The female parent is heterozygous.
Description : How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype AABbCc? (a) Six (b) Nine (c) Two (d) Four
Last Answer : (d) Four
Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.
Last Answer : (c) 1 : 1
Description : A man of A-blood group marries a woman of AB blood group. Which type of progeny would indicate that man is heterozygous A? (a) AB (b) A (c) O (d) B
Last Answer : B
Description : An allele is dominant if it is expressed in (a) both homozygous and heterozygous states (b) second generation (c) heterozygous combination (d) homozygous combination.
Last Answer : (a) both homozygous and heterozygous states
Description : A gene is said to be dominant if (a) it expresses its effect only in homozygous state (b) it expresses its effect only in heterozygous condition (c) it expresses its effect both in homozygous and heterozygous condition (d) it never expresses its effect in any condition.
Last Answer : (c) it expresses its effect both in homozygous and