An allele that is not phenotypicallyexpressed in the presence of an alternativeallele of the same gene is said to bea. codominant.b. lacking penetrance.c. heterozygous.d. recessive.e. subordinate

Q: In mice, the A allele causes agouti fur, the AY allele causes yellow fur and is dominant to the A…

A: Lethal alleles are those that cause the death of the entity that carries them.

Q: There are several forms of allelic genes interaction. At one of the forms a homozygous and a…

A: Gene interactions occur when two or more allelic or non-allelic genes of same genotype influence the…

Q: a. Determine if the pedigree below can be for a trait that is X-linked traits. Write the genotype of…

A: X-linked trait  The trait or phenotype that is influenced by X chromosome are know as x linked…

Q: Fruit flies are very useful model organisms that have been used to study genetics. One mutant…

A: An eyeless fruit fly is represented by ey gene which is a recessive gene. Homozygous normal fly is…

Q: Assuming complete penetrance, which type of inheritance pattern isconsistent with the pedigree shown…

A: Introduction: Genetics is the study of genes and the roles they play if inherited into the…

Q: Crossing over means the same as:   a. incomplete dominance   b. the process by which pieces of…

A: Genetics is a branch of the biology involved in the study of genes, genetic variation, and heredity…

Q: Which of the following does not have an autosomal recessivepattern of inheritance?a. cystic…

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

Q: Skin color is a trait that is determined by a. strict dominant-recessive inheritance. b. incomplete…

A: Heredity is defined as the transfer of genetic material from parents to offspring. DNA is the…

Q: When the phenotype of the offspring is determined by endoparasites in the father it is…   a.…

A: ▪︎Genetics consists of phenomena called  epistasis where the phenotypic effect of alleles at one…

Q: When the same gene is related to respiratory problems and sterility, it can be described as: Select…

A: Introduction: Pleiotropy happens when a gene influences several qualities. This contrasts with…

Q: In order for a male to inherit a sex-linked (X-linked) disorder, he must receive the allele from: a.…

A: His mother only

Q: In diseases with a recessive inheritance linked to sex (X chromosome), from the mother: A. 50% of…

A: Answer: Introduction: Autosomal recessive inheritance is a type inheritance in which genetic…

Q: If plant with red flowers is crossed with a plant with white flower produces an offspring with pink…

A: Incomplete dominance is when a dominant allele, or form of a gene, does not completely mask the…

Q: Discuss the concept of multifactorial inheritance, and include two examples.

A: Multifactorial inheritance involves the influence of both multiple genes and multiple environmental…

Q: hich if the following is not among Mendels principles? a. There are factors that is transmitted from…

A: Mendel's Principles: Four postulates are there : 1 Principle of paired factors  2 Principle of…

Q: Two parents, both with blood type A, have three children in a row with blood type O. a. Is this…

A: There are four different blood types in the ABO Blood Group System: A, B, AB, and O. Each of these…

Q: Which of the following CANNOT be true about the inheriteance the trait depicted in the pedigree…

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

Q: The pedigree shown here involves a trait determined by a singlegene (affected individuals are shown…

A: Introduction  Pedigree Analysis: this is the new approach to study the inheritance pattern in the…

Q: A. heterozygous blue-eyed man is marrying a homozygous brown-ayed woman. Determine the ratio of the…

A: The heterozygous individual has two different alleles. The blue individual has heterozygous eye.…

Q: Hemophilia, color-blindness, and muscular dystrophy were all examples of: O a. Dominance O b.…

A: In dominance, one allele is completely dominant over another. The presence of dominant alleles masks…

Q: A human female "carrier" who is heterozygous for the recessive, sex-linked trait hemophilia (XHXH),…

A: Introduction: Hemophilla is a hereditary condition that affects the body's capacity to form blood…

Q: Briefly explain why Blending inheritance theory is incorrect

A: Inheritance is defined as the transmission of characters from one generation to another i.e., from…

Q: When many genes affect a single phenotype is it called;   a. extranuclear inheritance   b.…

A: "Genes" are the fundamental unit of heredity. They store genetic information in the form of DNA,…

Q: A cross between a true-breeding recessive individual and an individual of dominant phenotype but…

A: Introduction :- Recessive alleles are those that will not manifest in an individual unless both of…

Q: In which of the following does one gene control the expression of another, independently inherited…

A: The heredity basic physical and functional unit is called a gene. They are formed from the DNA…

Q: what is an example of a trait determined by incomplete dominance inheritance. Then, include a model,…

A: Incomplete dominance is a form of intermediate inheritance in which one allele for a trait does not…

Q: The AB blood type in the ABO blood group is an example of a. dominant versus recessive alleles. b.…

A: As we know that DNA is a polynucleotide molecule that stores genetic and hereditary information…

Q: .Hemophilia is a blood-clotting disorder in humans that followsan X-linked recessive pattern of…

A: Hemophilia is an X-linked genetic disorder that prevents the clotting of blood due to mutation in…

Q: Compare and contrast pleiotropy and polygenic inheritance

A: Pleiotropy is a phenomenon in which  one gene starts affecting multiple traits of living organisms.…

Q: For Mendel's law of segregation requires that O a. the genes for the traits he studied must be…

A: d. two alleles at any locus are distributed into separate gametes during meiosis.

Q: A heterozygous individual has_____ for a trait being studied. a. the same allele on both homologous…

A: There is a process of codominance in the heterozygotes when the two alleles are expressed in any…

Q: Autosomal nondisjunction can result in

A: Answer: Non-disjunction : It is the error in chromosome number that occurs from the failure in…