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
Description : If a plant with the genotype PP is crossed with a plant with the genotyp pp what are the possible genotypes of the offspring?
Description : Test cross involves (a) crossing between two genotypes with dominant trait (b) crossing between two genotypes with recessive trait (c) crossing between two F1 hybrids (d) crossing the F1 hybrid with a double recessive genotype.
Last Answer : (d) crossing the F1 hybrid with a double recessive genotype.
Description : Test cross in plants or in Drosophila involves crossing (a) between two genotypes with recessive trait (b) between two F1 hybrids (c) the F1 hybrid with a double recessive genotype (d) between two genotypes with dominant trait.
Last Answer : (c) the F1 hybrid with a double recessive genotype
Description : What are the possible genotypes of offspring in this cross?
Last Answer : What is the answer ?
Description : If you made a Punnett square showing Gregor Mendel's cross between true-breeding tall plants and truebreeding short plants, the square would show that the offspring had a. the genotype of one of the ... . a genotype that was different from that of both parents. d. the genotype of both parents.
Last Answer : c. a genotype that was different from that of both parents.
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 : What were Punnett squares developed to do to predict the probability of offspring phenotypes to predict the probability of offspring genotypes neither of the above?
Description : A human male produces sperms with the genotypes AB, Ab, aB and ab pertaining to two diallelic characters in equal proportions. What is the corresponding genotype of this person? (a) AaBB (b) AABb (c) AABB (d) AaBb
Last Answer : (d) AaBb
Description : If you know the parents alleles for a trait how can you use a punnett square to predict the probable genotypes of the offspring?
Last Answer : So, if one parent is Aa (heterozygous) and the other parent isaa (homozygous recessive) the punnett square would look likethis:___|_A__|__a__a_|_Aa_|_aa__a_|_Aa_|_aa_The genotypes of the offspring 50% heterozygous and 50%homozygous recessive
Description : What are genotype of the offspring?
Last Answer : mendel hypothesized that gametes have only one factor or allefor each inherited trait. this hypothesis is supported by theobservation that?
Description : What was the genotype of the offspring thst did not share the parents phenotype?
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 : 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 : Two parents have the genotype Aa. What fraction of their offspring would also be heterozygous?
Last Answer : ANSWER: 1/2
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
Description : ABO blood groups in humans are controlled by the gene I. It has three alleles - IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur? (a) Three (b) One (c) Four (d) Two
Last Answer : (c) Four
Description : What are the result of a cross between parents with genotypes Cc and cc?
Last Answer : The expected results are half Cc and half cc.
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
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
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
Description : ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible? (a) Six (b) Three (c) Four (d) Five
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 : 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 : How many different kinds of gametes will be produced by a plant having the genotype AABbCC? (a) Two (b) Three (c) Four (d) Nine
Last Answer : (a) Two
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?
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
Description : A and B genes are linked. What shall be genotype of progeny in a cross between AB/ab and ab/ab? (a) AAbb and aabb (b) AaBb and aabb (c) AABB and aabb (d) None of these
Last Answer : (b) AaBb and aabb
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
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
Description : 9. To analyse the genotype of an organism, it is made to (a) Self cross (b) Cross with recessive parent (c) Cross with dominant parent (d) Cross with another species
Last Answer : (b) Cross with recessive parent
Description : How is it possible for two individuals to have the same phenotype but a different genotypes for a trait?
Last Answer : it is possible beccause you dont always need both
Description : The polygenic genes show (a) different karyotypes (b) different genotypes (c) different phenotypes(d) none of these.
Last Answer : (c) different phenotypes
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
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 : What are the possible offspring from a cross using a Punnett square?
Description : The offspring from a cross between two individuals differing in at least one set of characters is called a (a) Polyploid (b) Hybrid (c) Mutant (d) Variant
Last Answer : Ans:(b)
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 : A cross of a red cow (RR) with a white bull (WW) produces all roan offspring (RRWW). This type of inheritance is known as a. incomplete dominance. b. polygenic inheritance. c. codominance. d. multiple alleles.
Last Answer : c. codominance.
Description : What an offspring that was given different genetic information for a trait from each parent?
Last Answer : hybrid
Description : What are the possible genotypes for blood group B? -Biology
Last Answer : answer:
Description : What are the possible genotypes for type A blood? -Biology
Description : In dogs wire hair (D) is dominant over smooth hair (d) . If two wire haired dogs produce a smooth haired pup , the genotypes of the parent?
Last Answer : Both parents are Dd. They express the dominant gene but carry the recessive one, so there's a 25% chance that the pup will express the recessive one. If either parent was DD, then it would be impossible to produce a pup that expresses the recessive gene.
Description : What are the possible genotypes of a Pea plant?
Last Answer : Either TT or Tt, where T stands for dominant gene for tallnessand t for recessive gene.
Description : How the genotypes RR and Rr result in the same phenotype?
Last Answer : 4
Description : What genotypes would be considered hybrids?
Description : What does the 'I' stand for in genotypes for blood type?
Last Answer : Immuonoglobulin ( IgM)