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.

1 Answer

Answer :

(d) crossing the F1 hybrid with a double recessive
genotype.

Related questions

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 : The cross of F1 hybrid with an individual having recessive phenotype for concerned trait is called a. Test cross b. Multiple cross c. Top cross d. Polly cross

Last Answer : a. Test 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

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 : 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 : 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 : 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 : 5 Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the F2 from the matng of homozygous dominant and homozygous recessive individuals will possess the dominant phenotype? a) 0 per cent b) 25 per cent c) 50 per cent d) 75 per cent

Last Answer : ANS: b 25 per cent

Description : What can you determine about an organism's genotype if a recessive trait is expressed in an organism's phenotype?

Last Answer : Feel Free to Answer

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 : In a certain plant rough seeds R are dominant and smooth seeds r RECESSIVE two plants with genotype?

Last Answer : Need answer

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.?

Last Answer : What is the answer ?

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 you were to get four different offspring from this cross list the different genotypes and the number of each genotype you would expect?

Last Answer : Feel Free to Answer

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 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.

Description : Was the recessive form of any trait more frequent than the dominant form Explain this result?

Last Answer : What is the answer ?

Description : Is it true that gregor mendel called an idividual that has one dominant allele and one recessive allelefor a trait a purebred?

Last Answer : yes

Description : Haemophilia is more common in males because it is a (a) recessive character carried by Y-chromosome (b) dominant character carried by Y-chromosome (c) dominant trait carried by X-chromosome (d) recessive trait carried by X-chromosome.

Last Answer : (d) recessive trait carried by X-chromosome

Description : The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Last Answer : (b) genes for characters are located on the sex- chromosomes

Description : Which one is the incorrect statement with regard to the importance of pedigree analysis? (a) It confirms that DNA is the carrier of genetic information. (b) It helps to understand whether the trait in ... linked to one of the autosome. (d) It helps to trace the inheritance of a specific trait.

Last Answer : (a) It confirms that DNA is the carrier of genetic information.

Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11

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 : The increased performance of F1 hybrid over its parents is called a. Heterosis b. Crossing over c. Dominance d. Heredity

Last Answer : a. Heterosis

Description : What genotypes would be considered hybrids?

Last Answer : What is the answer ?

Description : Repeated crossing of hybrid progeny back to one of its parents is called as — a. Back cross b. Top cross c. Recurrent cross d. Double cross

Last Answer : a. Back cross

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 : 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))

Description : Superiority of F1 hybrids over both of its parents is termed as

Last Answer : Ans. Heterosis

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 : 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 : 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 a plant with the genotype PP is crossed with a plant with the genotyp pp what are the possible genotypes of the offspring?

Last Answer : Need answer

Description : Double cross hybrids of maize are developed by

Last Answer : Ans. CGMS line

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 : 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 : 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 : 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 : 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

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 : F1 x homozygous recessive parent

Last Answer : Ans. Test Cross

Description : what is the term for a cross that involves just one trait, such as pod shape?

Last Answer : monohybrid cross

Description : This-abstract-image-test-will-determine-your-dominant-personality-trait?

Last Answer : .

Description : This-color-blot-test-will-determine-your-dominant-personality-trait?

Last Answer : Green

Description : Would anyone else be more impressed with the drivers of hybrids if their cars looked no different from the non hybrid version?

Last Answer : all cars should look like hybrids. or like this

Description : The fuel efficiency of Mild hybrids vehicle is more as compared to conventional hybrid systems by ______ %? a) 10- 15% b) 7-15% c) 3-15% d) 1-15%

Last Answer : b) 7-15%

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 : The physical appearance and properties of an organism which is the expression of the genetic makeup is called the: a) phenotype b) pangenesis c) parental trait d) genotype

Last Answer : ANSWER: A -- PHENOTYPE

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 : In sheep the allele for white wall parentheses A is dominant over the allele for black wall parentheses a how do you determine the genotype of a white ram or male sheep?

Last Answer : Need answer