Q: What is an allele is lethal only under certain conditions?
A: Lethal alleles as the term suggests are the death-causing alleles and occur due to mutation. The…
Q: What is pedigree analysis?
A: There are several methods to study human genetics such as pedigree analysis, population genetics…
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 you imagine “routine crosses” are to a corn breeder?
A: In botany, plant breeding is defined as the alteration in the different genes or traits of the plant…
Q: What do monohybrid crosses reveal?
A: A cross that involves single pair of contrasting characters is known as Monohybrid cross.
Q: What is Homozygous and heterozygous in Mendelian Genetics?
A: George Mendel conducted hybridization experiments on garden peas for 7 years (1856-1863) and…
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 will be the phenotypic ratio for a heterozygous cross between Pp and Pp?
A: An allele is a variant form of a given gene. Phenotype is the observed physical traits of an…
Q: What is test cross?
A: The process in which the exchange of genes between gametes resulting in the formation of…
Q: what is Nullisomy?
A: Each cell in the body contains the 23 pairs of chromosome or total of 46 chromosome, half of which…
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: Difference between monohybrid and dihybrid cross?
A: G. J. Mendel, also known as the Father of Genetics discovered the existence of genes during his…
Q: What is an example of translocation?
A: Translocation is a chromosomal aberration in which two non-homologous chromosomes exchange their…
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: In guinea pigs, black is the dominant fur color. If one half of a litter is white and half of the…
A:
Q: What is a segmental duplication?
A: DNA is the genetic material present within the nucleus in the cell. It maintains the heredity of the…
Q: What is trihybrid cross ?
A: Genetics is a part of science concerned about the investigation of genes, hereditary variety, and…
Q: Anastasia was the youngest daughter of Czar Nicholas II of Russia. She had no known children, and…
A: Haemophilia is a sex-linked recessive disorder. The abnormal gene responsible for haemophilia is…
Q: Is it possible to cross two different pure-breeding yellow zucchini strains and obtain all green…
A: Genetics is a branch of the biology involved in the study of genes, genetic variation, and heredity…
Q: What would be the phenotypic ratio of this cross?
A: TT × tt Tt Tt Tt Tt
Q: Which of the following crosses will yield only recessive offsprings? show your solution using punnet…
A: The crossing techniques done on the punnet diagram is a means by which geneticists can predict all…
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 pleiotropy?
A: Pleiotropy refers to the expression of multiple traits by a single gene. These expressed traits may…
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 causes nondisjunction?
A: Chromosome is the package of densely packed chromatin fibres with DNA and histone proteins. In…
Q: Based on your knowledge of genetics, how would you determine whether kanamycin or BASTA-resistant T2…
A: Kanamycin A, often known as kanamycin, is an antibiotic used to treat tuberculosis and severe…
Q: How to Punnett Square Monohybrid Cross?
A: Monohybrid Cross is a cross between two (parents) that differ in only one monohybrid trait or…
Q: Two 11-inch nosed F1 individuals are crossed. How often will their progeny have noses AT LEAST 15…
A: Snuffleup is an ant-eating mammal that has a nose that varies in length between 3 to 19 inches long.…
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: difference between three way terminal cross
A: Thanks for your question. EXPLAINATION 1.TERMINAL CROSS BREEDING: In this type of…
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: What is the predicted phenotypic outcome of a dihybrid cross and a dihybrid text cross? Why?
A: Let a round yellow pea be dominant and wrinkled green pea be recessive.
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: 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: What is monohybrid cross. Represent it in an example?
A: Mendel’s studies concluded the information by considering the outstanding examples of good…
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: What is meant by the term'breed'?
A: Animal husbandry is the branch of science of rearing, caring, feeding, breeding, improvement and…
Q: Sarah Wilson What is a dihybrid cross?
A: DNA is the store house of genetic material. Certain gene express by a particular gene patient on the…
Q: What is the genotype of the parents of the corn dihybrid cross described above? What are the…
A: A cross which includes the analysis of two independent characters is called as dihybrid cross. The…
Q: Which of the following crosses would not result in heterosis a) AAbb x aaBB b) AABBccdd x…
A: "Genetic variation" is the result of the recombination of genetic material during the inheritance…
Q: Which of the following statements about the pedigree shown below is FALSE?
A: The statement phenotype of individual III-3 is affected is wrong. It seems like the inheritance is…
Q: Which of the following parental crosses represents the genotype of a dwarf homozygous green pea…
A: genes are controlled by alleles . each alleles have two copies , which are inherited from mother and…
Q: What causes Robertsonian translocation?
A: erved gene order and therefore the option is incorrect. 64.) Translocation is transfer of a part of…
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: Assuming independent assortment, what proportion of the offspring of the cross AabbCCdd × AaBbccDd…
A: Both tetra hybrid cross-sections are heterozygous for each feature, of which four, hybrid features…
Q: What is a cross between single trait hybrids?
A: Monohybrid cross involves crossing of parents with contrasting characters for single trait. Mendel…
1) What is the
a) 3:1
b) 1:2:1
c) 9:3:3:1
d) 1:1
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Solved in 2 steps
- In making genetic crosses, why is it important to identify the gametes that each individual can contribute?How many distinct phenotypes will a AaBbCc x aaBBCc cross have?What are monohybrid crosses? Is it possible to make a cross in which only one single character is actually involved, or is it just that one single character is being analyzed and the others are being ignored?
- Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?Give an example of a monohybrid cross and a dihybrid cross.. What is the probability of producing a child that willphenotypically resemble either one of the two parentsin the following four crosses? How many phenotypically different kinds of progeny could potentiallyresult from each of the four crosses?a. Aa Bb Cc Dd × aa bb cc ddb. aa bb cc dd × AA BB CC DDc. Aa Bb Cc Dd × Aa Bb Cc Ddd. aa bb cc dd × aa bb cc dd