Suppose a student performs a three-point test cross with mice involving mouse genes T, V and D. If the most abundant classes of progeny are TvD and tVd and the rarest classes are tvd and TVD which gene is in the middle and what is the genotype of each mouse involved in the cross?

Q: Consider a cross between a true breeding purple flowered pea plant (genotype PP) and a true breeding…

A: Phenotype is the external appearance of an organism.

Q: This question deals with Mendelian Genetics. Read each part carefully before you answer it. In the…

A: Each gene may exists in alternative forms which codes for different version of a particular trait or…

Q: In pigs, let’s assume that a straight tail (T) is dominant to a curly tail (t).  Let us also assume…

A: According to the Mendelian inheritance each gene has two alleles that determines the phenotype of an…

Q: Perform two consecutive crosses similar to those of Mendel for the following individual plants.…

A: Plants with round seeds (RR) and plants with wrinkled seeds (WR) are crossed (rr). Both parents are…

Q: n an F1 cross, Y/y x Y/y, 3/4 of the plants are yellow and 1/4 of the plants are green. Determine…

A: When two dominant parents produce a 3:1 phenotypic ratio in the offspring, it indicates that both…

Q: The results of a test cross of a plant that is heterozygous for three traits encoded by the genes D,…

A: Physical mapping is used to find the order of genes and the distance between genes in the DNA…

Q: Consider the following dihybrid testcross: B/b • E/e  ×  b/b • e/e For the progeny from this…

A: If the genes are completely linked, then only parental progenies will be formed. If the genes show…

Q: shows the results of a cross between a tall pea plant and a short pea plant. a. What phenotypes and…

A: Genes are the basic structural and functional unit of heredity. They carry coded genetic information…

Q: Cross #1: P: Homozygous scarlet-eyed males F₁ Fs Homozygous brown-eyed females X 1072 Wild-type…

A: Answer :- a) Phenotypic ratio of F2 generation is 9 :3: 3: 1, for wild type eye, scarled eye,brown…

Q: You have a pure breeding plant with red flowers, yellow seeds and red-veined leaves. You cross this…

A: The involvement of three genes makes this a trihybrid cross instance. Three genes in the parental…

Q: Two pumpkins plants have the following genotype: EeFfGg and EeFfGg. Assume genes E, F and G are…

A: Answer :- In genetics, the inheritance of traits in offspring is often governed by the principles of…

Q: Discuss why Mendel's hybrid offspring begin to exhibit the original traits expressed by the P1…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: Give typed explanation  Plants used in first-generation crosses were called  F2, Second FilialF1,…

A: Gregor Mendel was known as father of genetics because of major contribution to explain inheritance…

Q: Cross #1: P: F1 Fs Homozygous scarlet-eyed males Homozygous brown-eyed females X 1072 Wild-type…

A:

Q: Suppose a species of tulip has three alleles for the gene that codes for flower color. The CR allele…

A: CRCB × CBCW:Possible combinations: CRCB × CB, CRCB × CWExpected phenotypic ratio: 1 : 1 : 0 : 0 (red…

Q: Continuing his experiments, in Miles Morales' genome, the Goblin found similar genes, including one…

A: In the given case, let the allele associated with invisibility be “I” and allele associated with…

Q: Draw a Punnett square for the dihybrid cross described below (it is the same story as given for…

A: X linked characters are those where the the gene in question is located on the X chromosome. Females…

Q: With the same setting as the previous problem, in a cross between two BbCc parents, given that an…

A: Genetics studies the functioning and main codes of variation and heredity. Heredity is constructed…

Q: ewith a long tailed mouse. Multiple cresses of this short-tailed mouse to long-taled mice produces…

A: Genotype can be refer to a gene or set of genes that leads to a single trait or disease.

Q: Continuing his experiments, in Miles Morales' genome, the Goblin found similar genes, including one…

A: Here we will calculate the chi-square value to determine, whether invisibility is linked to agility,…

Q: A cross was made between a Red and Long flowered (RRLL) plant and a blue and dwarf flowered (rrll)…

A: Answer: The cross between RRLL (red and long flower) plant and rrll (blue and dwarf plant) could…

Q: tomato, yellow flowers (Y) is dominant to white flowers (y). A true-breeding yellow flowered strain…

A: This is an example of a monohybrid cross in which only one trait or character is involved.Pure…

Q: Cross #1: P: F1 Fs Homozygous scarlet-eyed males Homozygous brown-eyed females X 1072 Wild-type…

A: 1. F2 generation phenotypic ratio is the chance of getting scarlet eyes, and  brown eyes is Half…

Q: In one of his experiments, Mendel crossed homozygous yellow plants with homozygous green plants. The…

A:

Q: in a test cross, a pure-breeding plant is crossed with a plant suspected to be heterozygous (Aa).…

A: A test cross is defined as the genetic cross that occurs between a homozygous recessive individual…

Q: In the mapping example in Fig 2, the dominant alleles were on one chromosome and the recessive…

A: Genetics is the study of inheritance and heredity. Alleles are the different forms of a gene. Allele…

Q: The image shows a pair of homologous chromosomes from a single parent before gamete production. M1…

A: Genetic linkage is a study which shows us the  genes or alleles which are close to each other on a…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.