Ina cross between two, dihybrid, heterozyaus individuals, What Percent of the Offspring wil be domhant for only the B gene?

Q: In a fungus with four ascospores, a mutant allele lys-5 causes the ascospores bearing that allele…

A: An ascus is a sac-like structure within an ascomycete fungi that contains ascospores. Ascospores are…

Q: For the mating AaBBDdGg x AabbDdGG, draw the monhybrid punnet squares, one for each of the four…

A: A Punnett square is defined as the graphical representation of possible genotypes of offspring…

Q: Considethe following cross: Ff Hh BB MM Gg x Ff hh bb Mm g What fraction of the offspring will be…

A: This question is asking about the outcomes of a genetic cross involving Ff, Hh, BB, MM, Gg, X, Ff,…

Q: In a cross between snails of the species Lymnaea peregra, the parental female comes from a true…

A: In a cross between snails of the species Lymnaea peregra, the parental female comes from a…

Q: In a dihybrid cross AA bb x aa BB, what proportion of the F2 offspring is expected to be homozygous…

A: The "genotype" of a person or individual is considered as genetic makeup. An individual appearance…

Q: But for part A if you cross dd ll x DD LL, won't all the offspring be DdLl (dark colored and long…

A: Homozygous  The individual who has both same variant of allele of a gene  of a particular…

Q: Pea plants with purple pollen and long-shaped pollen were crossed with each other with the following…

A: In the sweet pea plants, the allele for purple flowers is dominant (P) and the allele for red…

Q: On rare occasions, an organism may have three copies of achromosome and therefore has three copies…

A: Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly…

Q: In Figure 4-3, would there be any meiotic products thatdid not undergo a crossover in the meiosis…

A: Meiosis is reductional divison.

Q: In a cross between AaBbCcDDee x aaBbCcddEe, what is the probability of  obtaining the following?…

A: Product rule is used in this case. The product of probability of each gene is done to find the…

Q: The pedigree below shows the transmission of albinism (absence of skin pigment) in a human family.…

A: Pedigree is a family tree drawn with standard genetic symbol (genealogical table, chart or diagram)…

Q: If Emmer wheat (Figure 17-9) is crossed to another wildwheat CC (not shown), what would be the…

A: Amphidiploid species is that contains a diploid set of chromosomes with each set originating from…

Q: A male and female fruit fly, both have red eyes but are hybrids for white eyes R=dominant and w=…

A: A dominant feature is an inherited feature in an offspring where a parent contributes by means of a…

Q: You have a female snail that coils to the right, but you do not knowits genotype. You may assume…

A: Coiling of the shell of snail is a classic example of maternal inheritance and maternal effect. The…

Q: Female fruit flies homozygous for the X-linked white-eye alleleare crossed to males with red eyes.…

A: Drosophila melanogaster is a common fruit fly. It is most common subject used in majority of genetic…

Q: In a vial of Drosophila, a research student noticedseveral female flies (but no male flies) with bag…

A: Fertilization is the process by which the male gamete, sperm, fertilize with the female gamete,…

Q: In a cross of Lymnaea, the snail contributing the eggs was dextralbut of unknown genotype. Both the…

A: Cytoplasmic inheritance is the condition in which a character is passed only from the mother's…

Q: tl ban o a rne dononant allo le dD), ifs dccessrveallele (h) produces aght bour Another gene has wo…

A: Epistasis is the phenomenon when two or more than two genes contribute to a particular phenotype. In…

Q: sl isa Meiosis Il is a iero divininn reuctional dvisicn ctioral alieion ustional divis on etiaral…

A: There are two types of cell division mitosis and meiosis. Mitosis occurs in the normal cells and…

Q: In the dihybrid cross AaBb ´ aabb, what proportion of individuals are expected to be homozygotic for…

A: In the dihybrid cross between AaBb and aabb, the first parent individual is heterozygous for both…

Q: CIUSS Out An organism has the genotype a"g*/a"g* ; q"f"/g+f";r+h+/r+h+. Indicate the correct genes/…

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

Q: To determine the recombination frequency of two linked genes, what genotypes of organisms are…

A: Genes are heredity units present on the chromosome and are meant to transfer genetic instructions .…

Q: What are result of dihybrid cross where the two parent different in two pair of constrastig traits?

A: Dihybrid cross can be defined as cross between different genes that differ in certain traits. As per…

Q: Explain the rationale behind a testcross. Is it necessary for one ofthe parents to be homozygous…

A: Genetics is the study of inheritance of characters which is the heredity and the variation of the…

Q: A wild-type fruit fly (heterozygous for gray body color andred eyes) is mated with a black fruit fly…

A: According to Morgans conclusion, the genes that are responsible for the body color and wing size are…

Q: Coat colour in mice is controlled by the interaction of two genes. Three phenotypes result: black…

A: Epistatsis is the phenomenon by which a gene masks or hides the action of another gene. Epistasis…

Q: What would be the phenotypic and genotypic ratio fo the offspring resulting from a cross between two…

A: Genotype means the genetic nature of the organism. It explains the genetic characteristic of an…

Q: The maternal-effect mutation bicoid (bcd) is recessive. Inthe absence of the bicoid protein product,…

A: A homozygous male (bcd⁻/bcd⁻) child is possible only when the mother is heterozygous (bcd⁺/bcd⁻) and…

Q: Morgan first suggested that theoriginal white-eyed male had two copies of the white-eye allele.…

A: Genetics is a study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: In the yellow milkweed bug: D – yellow spots on the wings,  d – brown spots on the wings, E – 8…

A: A genetic cross is that the purposeful sexual activity of 2 individuals leading to mixing of genetic…

Q: Most of the feathers of erminette fowl are light colored, with an occasional black one, giving a…

A: Gregor Johann Mendel is usually defined as the way that they are been regarded as the father of…

Q: n a cross of EeFfGgHh and EEFfGGhh individuals, what is the probability that an EEffGGhh individual…

A: Punnett squares make very easy tools for studying the traits of parental generation and working out…

Q: In 1952, an article in the British Medical Journalreported interesting differences in the behavior…

A: In the given data, hemophilia is an X-linked recessive disorder. There are interesting differences…

Q: In guinea pigs, short hair is dominant to long hair. Also in guinea pigs, black eyes are dominant to…

A: This question is asking about the expected phenotypes and phenotypic ratio of the offspring…

Q: 10. What phenotypes are expected and in what proportion from each of the following ni crosses?…

A: Geneticists utilize a Punnett square, a straightforward visual tool, to forecast the potential…

Q: Explain why all of the offspring in the F2 generation aredextral even though some of them are dd.

A: Genetic information is carried forward from parents to offspring. This transmission of information…

Q: Albino rabbits (lacking pigment) are homozygous forthe recessive c allele (C allows pigment…

A: In the given case, the rabbit with a recessive condition of c allele (cc) will be albino. Rabbits…

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.