sweet peas, the given enzymatic pathway result to pigment formation in the flowers:                  A dihybrid plant is crossed to a white one which is heterozygous at the “C” locus (provided in the image).

Q: Multiple crosses were made between true-breeding lines of black and yellow Labrador retrievers. All…

A: Black ×Yellow →All Yellow (F1) F1×F2→121 Yellow +9 Black +30  Chocolate Total offspring in F2…

Q: In sweet peas, gene C or P alone produces white flowers, the purple colour being due to the presence…

A: Dominance is a physiological influence on the same gene locus by an allele over its partner allele.…

Q: There are some members of the genus Datura that are trisomic for the chromosome set, which carries…

A: The cross between P+P+P X P+P is done in step 2

Q: When two plants belonging to the same genus but different species are crossed, the F1 hybrid is more…

A: John Ray gave the term species in his book Historia Generalis Plantarum. A species is a group of…

Q: A large ear of corn has a total of 433 grains, including 271 purple & smooth, 73 purple &…

A: The objective of this question is to determine if the observed phenotypic ratio in the corn grains…

Q: E. W. Lindstrom crossed two corn plants with green seedlings and obtained the following progeny:…

A: Two corn plants with green seedlings were crossed and the offspring obtained are green seedling is…

Q: Three autosomal recessive mutations in yeast, all producing the same phenotype (m1, m2, and m3), are…

A: An autosomal recessive mutation means two copies of an abnormal and defective gene must be present…

Q: In a trihybrid cross of a tall, purple-flowered pea plant with round seeds (TtPpRr) with a short,…

A: This is a trihybrid cross because three genes are involved in this case.

Q: . A doubly-homozygous red-flowered plant is crossed with a doubly-homozygous white-flowered plant.…

A: Phenotype refers to the traits that can be observed physically such as height or color. So…

Q: In corn, the allele f ′ causes floury endosperm and the allele f ″ causes flinty endosperm. In the…

A: First, examine the crosses and also the ensuing genotypes of theendosperm:

Q: Draw a preliminary linkage map of the three loci. What is their order? (E.g. is the forked locus…

A: A genetic map is a linkage map of a species or experimental population that shows the position of…

Q: One strain of periwinkleplants has green leaves and another strain has white leaves. Bothstrains are…

A: A collection of all the genes of an individual or a plant is known as the genotype of that…

Q: Consider this cross in pea plants: Tt Rr yy Aa × Tt rr Yy Aa, whereT = tall, t = dwarf, R = round, r…

A: A dihybrid cross is an experimental mating procedure where two organisms possess distinct traits. A…

Q: An ear of corn has a total of 381 grains, including 216 Purple & Smooth, 79 Purple & Shrunken, 65…

A: Answer: DIHYBRID CROSS = It is a cross between two traits of a same species reproducing progeny at…

Q: The trait for medium-sized leaves in iris is determined by the genetic condition PP'. Plants with…

A: The objective of the question is to predict the expected phenotypes and their numbers in the…

Q: Heliodors are either red (R), yellow (Y) or an intermediate phenotype, orange.   What is the…

A: The phenotype of an individual is determined by their genotype and expressed genes, as well as…

Q: An ebony strain of flies was discovered to be sensitive to carbon dioxide. Crossing a female…

A: A reciprocal cross is a breeding experiment used in genetics to determine the impact of parental sex…

Q: In onion, male sterility is produced when the nuclear genotype is aa and the mitochondrial gene S…

A: The objective of the question is to determine the genotypic and phenotypic ratios of the offspring…

Q: In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the…

A: Cytoplasmic male sterility is partial or total sterility due to mitochondrial and nuclear…

Q: Mendelian ratios are modified in crosses involving autotetraploids.Assume that one plant expresses…

A: Mendel's law of dominance states that the dominant allele will mask the expression of the recessive…

Q: n Mendelfruit plants, fruit may be either round (RR), long (rr) or oval (Rr). Cross two oval-fruit…

A: Mendel's law of inheritance is based on the inheritance of seven different characters studied by him…

Q: In some plants, a true-breeding, red-flowered variety gives all pink flowers when crossed with a…

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male…

A: Hi dear, here's your answer what you want. Can you please give me an upvote for this answer.

Q: Consider this four-factor cross: Tt Rr yy Aa × Tt RR Yy aa, whereT = tall, t = dwarf, R = round, r =…

A: A dihybrid cross portrays a cross test between two individuals that are indistinguishably mixture…

Q: In a cross between a 29cm plant and a 20cm plant what would be the genotypes giving the smallest…

A: Height in plants is a polygenic trait, in which one phenotype is influenced by more than one gene.…

Q: If the two genes are 30 mu apart and the plant is (AB/ab), what proportion of gametes from a single…

A: Recombination frequency in a cross over; generally measured via map units(distance between two…

Q: Two pure-breeding lines of petunia plants are crossed. Line 1 plants grow to a height of 54 cm, and…

A: Two pure-breeding lines of petunia plants are crossed.Line 1 plants grow to a height of 54 cm, and…

Q: In a variety of tomato plant ,the leaves maybe pure green,pure white,or variegated (mixture). a)when…

A: The purebred is the crossing of two individuals with the genotype with the same alleles for a gene…

Q: A pure breeding strain of squash that produced disk-shaped fruits was crossed with a pure- breeding…

A: A dihybrid cross is a method in which the phenotypes of two genes are tracked by mating organisms…

Q: You carry out a trihybrid cross (a cross in which the parental plants differ for three characters)…

A: Trihybrid cross is that in which three contrasting pairs of characters are studied.  We are given…

Q: A cross was performed using Drosophila melanogaster involving a female known to be heterozygous for…

A: Let recessive allele for ebony be represented by ‘e’ and its corresponding dominant allele by ‘E’…

Q: In the following cross, imagine that you have a female fly that has two Xs and one Y due to a…

A: A punnett square is used to determine the genotypes and phenotypes of progenies for a couple.

Q: ם EX ד

A: The alleles that lack the dominant and recessive relationship and both expresses to some degree are…