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Extensions to Mendel Solutions Library

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61 solutions

Extensions to Mendel

Q. The coat color of Labrador retrievers is determined by two genes that follow the law of independent assortment. If two black Labs that are heterozy...

Solved • Sep 18, 2018

Extensions to Mendel

Q. In people with sickle-cell disease, red blood cells break down, clump, and clog the blood vessels. The blood vessels and the broken cells accumulat...

Solved • Sep 18, 2018

Extensions to Mendel

Q. A woman with type O blood is expecting a child. Her husband is type A. Both the woman's father and her husband's father had type B blood. What is t...

Solved • Sep 18, 2018

Extensions to Mendel

Q. If the probability of being blood type B is 1/4 and the probability of being blood type A is 1/8, what is the probability of being blood type A or ...

Solved • Sep 17, 2018

Extensions to Mendel

Q. In pigs, curly tail (T) is dominant to straight tail (t). Another pair of genes is epistatis to the genes for tail shape, such that if a pig is hom...

Solved • Sep 15, 2018

Extensions to Mendel

Q. A, B, ad O blood type in humans is controlled by a single gene with three alleles: IA (or A), IB (orB), and i (or O). Type O is the recessive trait...

Solved • Sep 15, 2018

Extensions to Mendel

Q. Fruit color in a particular plant is controlled by a set of three QTLs (quantitative trait loci, or "polygenes") that work in an equal and additive...

Solved • Sep 14, 2018

Extensions to Mendel

Q. A woman has a daughter. There are three men whom she claims might have been the father of the child. The judge in the paternity court orders that a...

Solved • Aug 30, 2018

Extensions to Mendel

Q. It was suspected that two babies had been switched in a hospital. Mr. and Mrs. Brown received baby #1 and Mr. and Mrs. Green received baby #2. Bloo...

Solved • Aug 29, 2018

Extensions to Mendel

Q. You have identified two genes that control fur color in dogs. If dogs have a dominant allele "B", they will be black, otherwise, they will be brown...

Solved • Aug 19, 2018

Extensions to Mendel

Q. The lubber grasshopper is a very large grasshopper, and is black with red, orange, or yellow stripes. Assume that red stripes are expressed from th...

Solved • Aug 19, 2018

Extensions to Mendel

Q. In shorthorn cattle, coat color may be red (RR), white (rr), or roan (Rr). Roan is a phenotype expressed as a mixture of red and white hairs. What ...

Solved • Aug 19, 2018

Extensions to Mendel

Q. What are the parental and recombinant gametes resulting from crossing AaBb x AaBb?

Solved • Aug 15, 2018

Extensions to Mendel

Q. What is/arethe possible blood type(s) (i.e. phenotypes) of the father ifa woman with type A has a daughter with type B blood?

Solved • Aug 13, 2018

Extensions to Mendel

Q. A black lab (BbEe) was mated to a chocolate lab (bbEe). What are the expected genotypic and phenotypic frequencies of the offspring? Provide percen...

Solved • Aug 8, 2018

Extensions to Mendel

Q. In a possible paternity case a child's blood type was found to be type O. If the father in question has type A blood, would this exclude him as the...

Solved • Aug 8, 2018

Extensions to Mendel

Q. In swine, when a pure-breeding red is crossed to a pure-breeding white, the F1 are all red. However, the F2 shows 9/16 red, 1/16 white,and 6/16 are...

Solved • Aug 4, 2018

Extensions to Mendel

Q. Flower colour in a plant species is determined by two genes, gene B and gene P. The gene products of these genes are enzymes that convert a white s...

Solved • Aug 3, 2018

Extensions to Mendel

Q. Mother and father with blood types A and B, respectively, have a child with blood type O (blood group inheritance is codominant). What fraction of ...

Solved • Jul 27, 2018

Extensions to Mendel

Q. Suppose two independently assorting genes are involved in the pathway that determies fruit color in squash. These genes interact with each other to...

Solved • Jul 24, 2018

Extensions to Mendel

Q. Sally (blood type A) has a daughter Peggy who has blood type B. Sally's genotype is:A. A/AB. A/OC. B/BD. B/OE. O/O

Solved • Jul 10, 2018

Extensions to Mendel

Q. You cross two true breeding lines of petunia. One produces red flowers and the other white flowers. The F1 offspring all show pink flowers. You con...

Solved • Jul 9, 2018

Extensions to Mendel

Q. What genotypes would be produced by crossing a grasshopper with red and yellow stripes (Rr) with a grasshopper with yellow stripes (rr)? Show all y...

Solved • Jul 6, 2018

Extensions to Mendel

Q. Your neighbor, a "crazy cat lady", has two white cats with the genotype WwBb. You learned in genetics that the W allele shows dominant epistasis ov...

Solved • Jul 5, 2018

Extensions to Mendel

Q. In cattle, the allele producing red coat color (R) is incompletely dominant over the allele (r) for white coat color. Heterozygotes (Rr) are roan c...

Solved • Jul 5, 2018

Extensions to Mendel

Q. If an intercross of dihybrids produces a 12:3:1 offspring phenotypic ratio, then the cross Aabb x AaBb should produce a ________ phenotypic ratio.A...

Solved • Jul 3, 2018

Extensions to Mendel

Q. Eggplant fruit color may be dark purple, violet, or white. Crosses between purple and white eggplants always produce violet eggplant progeny. Howev...

Solved • Jul 3, 2018

Extensions to Mendel

Q. Coat color in mice is controlled by many genes, four of which we will consider. The gene C permits pigment deposition in the fur, whereas cc causes...

Solved • Jun 7, 2018

Extensions to Mendel

Q. Which the following Is an example of epistasis?a. A chicken with a dominant allele at the R gene has a rose comb, and a chicken with a dominant all...

Solved • Jun 6, 2018

Extensions to Mendel

Q. The ABO blood group assorts independently of the Rhesus (Rh) blood group and the MN blood group. Two alleles, R, a dominant allele producing Rh+, a...

Solved • May 30, 2018

Extensions to Mendel

Q. Why can an autosomal recessive disorder skip one or more generations in a family, but an autosomal dominant disorder cannot?

Solved • May 23, 2018

Extensions to Mendel

Q. Define maternal effect. In what cell type would you expect to find the protein product of a material effect gene?

Solved • Apr 19, 2018

Extensions to Mendel

Q. A man with type AB blood and a type B woman have a son with type B blood.If the couple’s next child has type A blood, what is the chance that their...

Solved • Dec 4, 2017

Extensions to Mendel

Q. A man with type AB blood and a type B woman have a son with type B blood.What is the mother’s blood genotype?a. I A I Bb. I B I Bc. I B id. iie. It...

Solved • Dec 4, 2017

Extensions to Mendel

Q. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows sim...

Solved • Dec 1, 2017

Extensions to Mendel

Q. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows sim...

Solved • Dec 1, 2017

Extensions to Mendel

Q. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows sim...

Solved • Dec 1, 2017

Extensions to Mendel

Q. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows sim...

Solved • Dec 1, 2017

Extensions to Mendel

Q. Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part ...

Solved • Dec 1, 2017

Extensions to Mendel

Q. In domesticated cats, the following genetic patterns have been described as independently assorting. Normal ears (T) is dominant to tufted ears (t)...

Solved • Oct 24, 2017

Extensions to Mendel

Q. Your research in hematology has led you to the discovery of a new type of inherited anemia, which exists in two forms- - mild and severe . The info...

Solved • Oct 23, 2017

Extensions to Mendel

Q. A dominant gene, A, causes yellow color in rats. The dominant allele of another independent gene, R, produces black coat color. When the two domina...

Solved • Oct 23, 2017

Extensions to Mendel

Q. In rabbits, fur color is determined by a set of multiple alleles at one locus (gene) that have the following relationship:C+ (agouti) is dominant t...

Solved • Oct 23, 2017

Extensions to Mendel

Q. In the organism under consideration, r* acts like r allele, except when homozygous (r*r*). From the information given below, work out the phenotypi...

Solved • Oct 23, 2017

Extensions to Mendel

Q. A woman with type A blood has parents who are both type AB and a husband who is a type B. What is the probability that their first child will be a ...

Solved • Oct 23, 2017

Extensions to Mendel

Q. In humans, the ABO blood groups are controlled by three alleles (only two of which occur in any one individual): the alleles for A and B type blood...

Solved • Oct 23, 2017

Extensions to Mendel

Q. In cattle, the gene for hornless (H) is dominant to the gene for horned (h), the gene for black (B) is dominant to that of red (b), and the gene fo...

Solved • Oct 23, 2017

Extensions to Mendel

Q. Cat fur color is affected by two genes. The B gene codes for fur color. The dominant allele (B) produces black fur (phenotype) and the recessive al...

Solved • Aug 7, 2017

Extensions to Mendel

Q. Cat fur color is affected by two genes. The B gene codes for fur color. The dominant allele (B) produces black fur (phenotype) and the recessive al...

Solved • Aug 7, 2017

Extensions to Mendel

Q. A woman with type AB blood marries a man with type A blood.  Their first child has blood type B.  What is the probability that their next child wil...

Solved • Aug 2, 2017

Extensions to Mendel

Q. The environment only rarely affects gene expression.  a. True b. False

Solved • Jul 27, 2017

Extensions to Mendel

Q. In the ABO blood type system, there are six possible genotypes, but only two possible phenotypes.  a. True b. False

Solved • Jul 27, 2017

Extensions to Mendel

Q. A man with type A blood and a woman with type B blood have a child with type O blood. What are the genotypes of the man and woman?  a. IA i , and ...

Solved • Jul 27, 2017

Extensions to Mendel

Q. In an inherited form of high cholesterol, rr individuals have a blood cholesterol level greater than 500mg/dL, Rr individuals are near 300mg/dL, wh...

Solved • Jul 27, 2017

Extensions to Mendel

Q. If you cross two pea plants, one with green peas and the other with yellow peas. All of the offspring have yellow peas. You conclude: a. Green is d...

Solved • Jul 26, 2017

Extensions to Mendel

Q. Traits that depend on more than one gene are:  a. Polygenic b. Pleiotropic c. Codominant d. Recessive e. Incomplete dominant traits

Solved • Jul 26, 2017

Extensions to Mendel

Q. If the heterozygous phenotype is intermediate between those of the two different homozygotes, this is called:  a. Codominance b. Independent asso...

Solved • Jul 26, 2017

Extensions to Mendel

Q. In the ABO blood type system the IA allele is _____ with the IB allele.  a. Dominant b. Co-dominant c. Recessive d. Homologous e. Heterologous

Solved • Jul 26, 2017

Extensions to Mendel

Q. In the ABO blood type system the alleles  IA, IB and i produce:  a. Three phenotypes b. Two phenotypes c. One phenotype d. Four phenotypes e. ...

Solved • Jul 26, 2017

Extensions to Mendel

Q. A man and a woman, both with group AB blood, marry. What different genotypes and phenotypes can be expected among their children? What percentage o...

Solved • Jul 26, 2017

Extensions to Mendel

Q. A man with B type blood marries a woman with B type blood. Four of their children have B type blood and one has O type blood. What would be the gen...

Solved • Jul 26, 2017