A gene that encodes collagen in an animal particiaptes to control size. An animal homozygous for the F allele are very large, and an animal homozygous for the f allele are very small. But, heterozygots have a medium size between these. This is an example of...       Mendelian Dominance     codominance     plietrophy     variable expression     incomplete dominance

Q: Persons with sickle cell anemia have a mutation in the hemoglobin gene. This trait is produced by…

A: Sickle Cell anaemia is a genetic disorder caused by a defective allele on chromosome 11 which…

Q: The pedigree below describes the inheritance pattern for "muscular atrophy"  determine the mode of…

A: Genotypes of each individual:Note that we used:A = normal allelea = affected alleeDetailed…

Q: Based on the same data from the previous question:   cu  jv  se        31 +   +   se       99…

A: In Drosophila, curled wings (cu), javelin bristles (jv) and sepia eyes (se) are autosomal recessive…

Q: . A true-breeding strain of Virginia tobacco has dominantalleles determining leaf morphology (M),…

A: A gene is the physical and functional unit of heredity. A gene is a sequence of nucleotides in…

Q: In mice, gene A is epistatic to gene B. Dominant allele "A" allows for pigment to be transported to…

A: Epistasis is the type of gene interaction in which a gene masks or interferes in the expression of…

Q: Figure 5.1 presented abbreviated pedigrees looking at the inheritance of X-linked human conditions.…

A: Double heterozygote = Individual 1 in generation II, if the mother in generation I is homozygous…

Q: Researchers studying blind cave fish that lack eyes found that crossing two pure-bred fish from the…

A: Within the puzzling depths of caves, analysts have found fish that have adapted to their environment…

Q: Penile hypospadias, a birth defect in male humans in which the urethra opens on the shaft instead of…

A: Given, Penile hypospadias, is disease or a birth defect in male humans in which the urethra opens on…

Q: Dominant negative Incomplete dominance Epistasis Recessive lethal allele III E ||| A condition where…

A: Introduction :  The field of science known as genetics deals with the study of heredity, genetic…

Q: A population of white leghorn chicken has the following dominant mutations: crested head, the…

A: Introduction :- For instance, Huntington's disease is caused by a dominant mutation, which means…

Q: Pigment of chicken feathers is regulated by two genes, the gene for feather pigment C, and a gene…

A: The Pigment of chicken feathers is regulated by two genes- C and I. C gene is for feather pigment ,…

Q: In humans, at least one gene produces melanin skin pigment in response to UV radiation (that is,…

A: Pleiotropy refers to the expression of various traits produced by a single gene. The gene that…

Q: a summary use your understanding of molecular biology to explain that recessive alleles are…

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

Q: n mice, the Ay allele of the agouti gene is recessive lethal, but it is dominant to wild type for…

A: Introduction  In genetics, dominance and recessiveness refer to the relationship between two or more…

Q: In the yawncat (a rare hypothetical animal), the dominant allele R causes solid tail color, and the…

A: ANSWER;- A). 1/16

Q: Shell coiling in snails results from a genetic maternal effect. An autsomal allele for a…

A: A dominant allele is an allele that expresses itself and a recessive allele is the one which…

Q: Which of the following statements are true regarding Mendel's observations of two factor crosses?…

A: Mendel is known as father of genetics. He studied the inheritance in peace plants. He said that…

Q: What is the most likely inheritance pattern shown in image B, below? A KEY Homozygous Homozygous…

A: Inheritance pattern is a type of pattern which evaluates how traits are passed from parents…

Q: Coat color in labradors is determined by alleles of two unlinked genes, B and E. The coat colors…

A: In the given situation, the determination of coat colour in labradors is governed by two independent…

Q: The difference between continuous and discontinuous variation.

A: In biology, variations are differences between two living organisms or groups of living organisms.…

Q: We have crossed true-breeding flies today. Wild type to mutant. Their phenotypes were wt and vg se.…

A: In a genetic experiment involving true-breeding flies, we have crossed individuals with wild-type…

Q: Snapdragons are flowers that can be red, white, or pink. The red allele (R) is dominant over the…

A: Antirrhinum is a genus of plants which is commonly known as dragon flowers or snapdragons. It is…

Q: me astigmatism and non-red hair are produced by a different pair of completely dominan genes. Hence,…

A: Let, A = allele for astigmatism, a = doesn't show astigmatism, B = allele for non-red hair, b =…

Q: Gene I interacts with gene D to determine the blood phenotypes of humans. Gene I is the gene for…

A: Introduction  An individual's blood is categorised according to their blood type based on the…

Q: Suppose a geneticist is using a three-point test cross to map three linked rabbit morphology and…

A: Linkage is a genetic phenomenon in which tendency of DNA sequence that are close together in a…

Q: Suppose a geneticist is using a three-point test cross to map three linked rabbit morphology and…

A: Linkage is the tendency of genes or other DNA sequences that are close together on a chromosome to…

Q: Bearding in goats is inherited as an autosomal trait determined by two alleles, B1 and B2.…

A: An autosomal trait refers to a genetic characteristic or feature that is determined by genes located…

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

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

Q: Fruit flies with the genotypes XghXgh and Xg+h+Y are crossed. Note that two X-linked loci are being…

A: Genotype refers to the genetic constitution of living organisms. The physical traits that are…

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.