For the mating AaBBDdGg x AabbDdGG assuming that all of the genes assort independently, what fraction of the offspring would be heterozygous for all 4 genes? What fraction of the offspring would have the genotype AabbDdGG?

Q: Red-green colorblindness is determined in humans by a single X-linked locus. Colorblind males are…

A: XBY male has normal vision.XbY male has Red-green color blindness.XBXB females are normal…

Q: In Drosophila, a cross was made between a yellow-bodied male with vestigial wings and a wild-type…

A: Genes can be defined as an important unit of inheritance. A pair of genes is called allele. These…

Q: An allele in Drosophila produces a “star-eye” trait in the heterozygousindividual. (It is not…

A: In the important genes, when mutations happens the resultant progeny will produce lethal phenotypes.…

Q: Miniature wings (Xm) in Drosophila result from an X-linked allele that is recessive to the allele…

A: Alleles are the alternative forms of a gene. Allele can be dominant or recessive.

Q: Two plants in a cross were each heterozygous for two gene pairs (AB /ab) whose loci are linked and…

A: Linkage is an exception to independent assortment. Distance between two genes = recombination…

Q: In a species of fly, smooth wings (W) are dominant to wrinkled wings (w) and red bodies (R) are…

A: Introduction : The given data represents two point cross.  A two point test cross is done…

Q: An individual that is homozygous AABBcc is crossed to an individual that is homozygous aabbCC…

A: A chromosome is a highly condensed form of DNA and It wrapped into Nucleosomes. Humans have 22…

Q: In silkmoths (Bombyx mori), red eyes (re) and white-banded wings (wb) are encoded by two mutant…

A: Sometimes genes depicting two characters are present on the same chromosome. Such genes are called…

Q: In the cross TtPpAa x ttPpaa, what fraction of offspring are predicted to be homozygous recessive…

A: We can better grasp how features, like height or eye color, are handed down from one generation to…

Q: In Drosophila fruit flies, the genes for warped wings (dwp), rumpled bristles (rmp), and pallid…

A: Three point test cross data is given in the question. The three genes are involved in this cross.

Q: dominance effect of alleles at the R locus. a) How many different gametes are possible in the…

A: Trihybrid cross  The cross involve 3 pairs of contrasting traits of three characters is called…

Q: In D. melanogaster, scarlet eyes (st), curled wings (cu), and spineless bristles (ss) are recessive…

A: Here we have a condition, wherein D. melanogaster, three characteristics are present such as the…

Q: What would be the genotypic and phenotypic outcome if each parent was self-fertilized?

A: Genotype is refer to a gene or set of genes that leads to a single trait. Phenotype is refers to the…

Q: In Drosophila, a cross was made between a yellowbodied male with vestigial (not fully…

A: Genes can be defined as an important unit of inheritance. A pair of genes is called allele. These…

Q: Fruit flies can have straight wings (S) or curly wings (s), and they can have be female XX or male…

A: S denoting for straight wings is a Dominant or wild type trait. And s denotes recessive trait for…

Q: Given that loci A and B in Drosophila are sex-linked and 20 map units apart, what phenotypic…

A:

Q: In fruit flies, eye shape is an X-linked trait. Round eyes (XG) are dominant to almond-shaped eyes…

A:

Q: A hypothetical brown frog with black spots (genotype BbSs) is test crossed with a green, unspotted…

A: A test cross is done to identify the genotype of an organism. In this cross, the organism is crossed…

Q: In Drosophila, gray body color is dominant to ebony body color, while long wings are dominant to…

A: Genotype is defined as the complete set of genes present in the individual and the information of…

Q: In humans, the mic2 gene (involved in antibody production) is found on sex chromosomes and has…

A: The pseudoautosomal inheritance is observed for the allele in the identical regions of X and Y…

Q: Three enzymes are part of a sequential pathway that produces a pigment that makes flowers red.  Each…

A: Question -Three enzymes are part of a sequential pathway that produces a pigment that makes flowers…

Q: Phenotypically wild-type female Drosophila, whose mothers had spineless bristles (ss) and fathers…

A: Given  43 ebony bodies and spineless bristles 49 wild type 336 ebony bodies, wild type bristles 328…

Q: In radishes, color and shape are each controlled by asingle locus with two incompletely dominant…

A: In radishes, a single locus contains two alleles which are incompletely dominant, and a single locus…

Q: In Drosophila, ebony body colour is produced by a recessive gene a and wild-type (gray) body colour…

A: Answer: DIHYBRID CROSS : It is the cross made between two traits of an individual.

Q: The first step of a monohybrid cross is to mate the P generation: A PUREBRED (homozygous) plant with…

A: An individual is said to be heterozygous for a given trait if one of the alleles is dominant while…

Q: Phenotypes PAO PAo PaO Pao PAO pAo pao pao x no zygo Number 91 427 6 106 120 7 323 62

A: Given:The fruit berry nispero, Eriobotrya japonica, has the recessive mutant genes p (purpura =…

Q: What will be the phenotypic ratio of the offspring of a purebreed male fly with eosin eyes (CCXw-eY)…

A: A phenotypic ratio is a quantifiable relationship between phenotypes that shows how often the…

Q: If the frequency of the "green" form of red-green color blindness (due to an X-linked locus) is 5…

A: X linked inheritance is a type of inheritance in which gene that is responsible for prevalence of…

Q: In cucumbers: warty (T) > smooth (t) dull (D) > glossy (d) warty, dull x smooth, glossy P: TTDD ttdd…

A: Recombination frequency {denoted as theta (θ)}, which is the frequency with which a single…

Q: Because of non-disjunction in some stocks of Drosophila. melanogaster, about 1 in 65,000 egg cells…

A: Given:Non-disjunction in some stocks of Drosophila melanogaster results in about 1 in 65,000 egg…

Q: An individual has the following reciprocal translocation: B CDE H B CDE H A J e. What is the name of…

A: When two non-homologous chromosomes exchange their chromosome segments, the resulting chromosomal…

Q: Which of the Pedigree Diagrams below is most likely to show a family with Becker muscular dystrophy?…

A: Becker Muscular Dystrophy is X Linked recessive inherited disease that usually causes progressive…

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: If two genes on the same chromosome exhibit complete linkage, what is the expected F2 phenotypic…

A: ANSWER;- Here each parent produces 2 types of gametes, a+b+, and ab, giving the simple Mendelian…

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.