In which kind of cross would you expect to find two different kinds of ratios among the offspring, either 1:1 or 1:1:1:1? A)testcross  B)none of the choices is correct C) monohybrid cross

Q: ou crossed two true-breeding lines of violet-flowered and white-flowered peas. Is it possible to…

A: Heterozygous: When a diploid organism's cells contain two distinct alleles of a gene, it is said to…

Q: In mice, there is a yellow strain that when crossed yields 2 yellow:1 black. How could you explain…

A: The genetic characteristic of an organism is known as genotype, and their expression results in…

Q: What is the probability of producing a child that will phenotypically resemble either one of the two…

A: A)

Q: In mice black fur (B) is dominant over white fur (b). What is the phenotypic percentage of offspring…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is 50% Black ; 50% White

Q: What is the difference between a monohybrid cross and a dihybrid cross?    A.  A monohybrid cross…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: What is a genetic cross?

A: Genetics is concerned with the study of genes and their heredity from parents to offspring. A…

Q: What do monohybrid crosses reveal?

A: A cross that involves single pair of contrasting characters is known as Monohybrid cross.

Q: What is a monohybrid cross, and what are the genotypic andphenotypic ratios expected in the…

A: BASIC INFORMATION USED IN GENETICS  HETEROZYGOUS - Every gene has two characters one being the…

Q: What is the most likely combination of genotypes for a cross between two heterozygous individuals,…

A: The condition where two identical genes are present in an individual for a particular character, is…

Q: Aa x aa，Aa x aa， Aa x AA，Aa x Aa. which of those fours are considered as a monohybrid cross？and…

A: The Punnett square is a graphical representation or tabular diagram that predicts the genotype and…

Q: What genetic principle could be derived from a monohybrid cross?

A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…

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: Distinguish between a monohybrid cross and a testcross.

A: The genetics is the branch of biology that deals with the study of genes, genetic variation, and…

Q: A female with an aa bb cc dd genotype is crossed with a male with an Aa Bb Cc Dd genotype. What is…

A: To answer this question, convert the given tetrahybrid cross into 4 monohybrid crosses.

Q: What is test cross?

A: The process in which the exchange of genes between gametes resulting in the formation of…

Q: In mice, short hair is dominant over long hair. If a heterozygous shorthaired male is crossed with a…

A: A gene is the basic structural and functional unit of heredity and is made of DNA(deoxyribonucleic…

Q: How many distinct phenotypes will a AaBbCc x aaBBCc cross have?

A: A trait is a characteristic feature that is unique to particular individual.  A trihybrid cross is a…

Q: What is a test cross, and how do you determine it?

A: Test cross:In genetics, test cross is used to define the genetic makeup of a dominant gene by…

Q: What is trihybrid cross ?

A: Genetics is a part of science concerned about the investigation of genes, hereditary variety, and…

Q: What would be the phenotypic ratio of this cross?

A: TT      ×        tt Tt   Tt       Tt  Tt

Q: Can you determine from the phenotype of their offspring if the parents are homozygous or…

A: The term "phenotype" refers to an organism's visible physical characteristics, such as its…

Q: What is a monohybrid cross?

A: Genetics is the branch of biology deals with the study of gene, genome and genetic abnormalities.…

Q: What is the phenotypic ratio of a monohybrid cross?

A: Monohybrid cross is a cross in which there are found involvement of single gene for a single trait.…

Q: What happens when the parental strains differ in two traits, for example when a strain having yellow…

A: Mendel proposed the laws of inheritance to explain the transmission of genetic traits.

Q: what is a test cross？Is AA x aa，Aa x aa， Aa x AA ， Aa x Aa all considered as a test cross？

A: A gene is present in different forms that are expressed in a phenotype; allele is a one of the…

Q: a. Does the Punnett square represent a monohybrid cross or a dihybrid cross? How do you know?

A: Introduction :- A monohybrid cross is the hybrid of two individuals with homozygous genotypes which…

Q: What is the phenotypic ratio of the offspring of heterozygous parents in a dihybrid cross?

A: For a dihybrid cross, there should be two traits involved while crossing. Phenotypic ratio is the…

Q: Can you identify with certainty the genotype of a black poodle? A brown poodle?

A: The black poodle and the brown poodle are two of the most popular dog breeds in the world. They are…

Q: terms is used to describe the offspring of a cross of two true-breeding parents that differ in one…

A: A true-breeding is a cross where the parents produce offspring that carry the same phenotype. It…

Q: What is a reciprocal cross?

A: A genetic cross is the process of mating of two individuals which describes the comparison of their…

Q: A particular walnut rooster was crossed to a pea hen, and the progeny consisted of 12 walnut, 11…

A: The genetics of the comb-type of chicken is controlled by two different genes. These genes are…

Q: When two genes are located on the same chromosome,what is the physical basis for the production of…

A: Genetics is the branch of biology that deals with inheritance and variation. A gene is a section of…

Q: The following two genotypes are crossed: AaBbCcddEe x AabbCcDdEe. What will the proportion of the…

A: The phenotype of an individual is determined by his or her genotype. The genotype is determined by…

Q: Why do test- crosses give a 1:1:1:1 ratio?

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

Q: what is the true breeding means and what a test cross is?

A: The true breeding means when the organisms produce offspring with the same phenotype as their own.…

Q: Give an example of a monohybrid cross and a dihybrid cross.

A: Introduction Genetics is a branch of natural science that studies heredity, gene regulation, and…

Q: Consider the following cross: AaBbCcDdEe X AaBbCcDdEe. How many different phenotypes would you…

A: Introduction  A gene is consisting of a pair alleles/ factors and these alleles can be dominant or…

Q: If a red color flower (R) crosses with a blue flower (b), the result is purple flower (Rb). If the…

A: Law of Dominance -  When parents with pure, contrasting traits are crossed together, only one form…

Q: How would you perform a reciprocal cross for the characteristic of stem height in the garden pea?

A: A reciprocal cross is an experiment in genetics for breeding that is meant to examine the impact of…

Q: Cross a heterozygous freckled man with a nonfreckled woman. What are the genotypes and phenotypes of…

A: Gene expression

Q: What is a test cross?

A: Cross  A cross is the mating of 2 different parents towards formation of offsprings. There are…

Q: If a Rottweiler is crossed with a Labrador retriever, what will be the coat color of the offspring:…

A: The agouti gene in dogs controls the distribution of black pigment. If a dog is recessive for this…

Q: How much genotypic variation do you find in the randomly picked parents of your crosses?

A: Question - How much genotypic variation do you find in the randomly picked parents of your crosses?

Q: Using the genotypes of this cross, can you give a general definition fora test cross?

A: Genetics is the study of genes. Genes are the hereditary unit of an organism that is passed from…

Q: Why is it more efficient to perform a test cross with a homozygous recessive donor than a homozygous…

A: The set of alleles for a given trait in an organism is called genotype, while the observable traits…

Q: what are monohybrid and dihybrid crosses and how do I do them?

A: Monohybrid and dihybrid crosses are used in genetics in order to study the two laws of Mendel, Law…

Q: from the following matings? What are the phenotypic ratios for each cross? Explain how you came up…

A: Gregor Johann Mendel was an Augustinian monk. He worked on garden pea for the genetic experiment and…

Q: How many different kinds of F1 gametes, F2 genotypes, and F2 phenotypes would be expected from the…

A: Genotype  The genetic constituent of an organism is known as genotype.

Q: In a cross AaBbCc × AaBbCc, what is the number of gametes would be produced from the first parent?

A: Each gene may exists in alternative forms called allele. It can be dominant or recessive. Dominant…

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.