In fruit flies, eye color is an X-linked trait.  Red eyes (XB) are dominant to maroon eyes (Xb). A male with red eyes mates with a female with maroon eyes.

Q: Cross 1: Purple Stem (P1) x Brown Stem (P2) = F1 Generation (all purple stem plants). Cross 2: F1 x…

A: Monohybrid cross looks at one single trait in an animal or plant and the Punnett square made from…

Q: A rosy-eyed Drosophila was crossed with a forked bristle Drosophila. The F1 were all wild-type while…

A: The correct answer is b) RrFf x RrFf. Here's how we can arrive at this conclusion:Analysis of the…

Q: A mutation in a primary determinant does not cause a phenotype in every individual who gets the…

A: It is a change that occurs in our DNA sequence,  due to mistake when DNA is copied or as the result…

Q: Red-green colorblindness is determined in humans by a single X-linked locus. Colorblind males are…

A: XBY male has normal vision.XbY male has Red-green color blindness.XBXB females are normal…

Q: an F2 generation. If there are a total of 200 F2 flies, how many of the F2 females are expected to…

A: A character is autosomal linked when the gene is present on autosomes and the character is X linked…

Q: Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color…

A: The red green color blindness trait is encoded by the gene present on X chromosome.

Q: You discover a new X-linked mutation for antenna shape in Drosophila (fruit flies) which produces…

A: Correct option is (b) 0       Step 1:  The Drosophila has been  X linked mutation which can…

Q: You and your best friend observe a group of fish in a system of lakes. You believe it is due to an…

A: NOTE:- “Since you have posted two questions, we will solve the first part for you. To get the…

Q: Bees have a haplodiploid sex determination.  The recessive allele ivory causes bees to have white…

A: In honeybee, the sex is determined by being haploid or diploid. Here, females are diploid while…

Q: In zucchinis there are two genes controlling flower colour. One gene determines if pigment is…

A: The gene controlling for the pigmentation is the Pp gene . Where allele for pigmentation is dominant…

Q: What gamete must be donated by the father monster, and what is its probability? a) g l — 12.5% b) g…

A: Gametes are produced by the process of meiosis.

Q: 4. In fruit flies, opaque wing color is due to an X-linked dominant version of a gene. A female with…

A: The exchange of genetic material between two non sister chromatids is called crossing over..Crossing…

Q: Why do the F1 chickens with genotype Cc Ii have white feathers?

A: In genetics, dominance is the phenomenon of one allele or variant of a gene on chromosomal masking…

Q: Which is NOT true about Down syndrome: A) The increased risk of Down Syndrome correlates with the…

A: Genetic disorders can be outlined as the clinical conditions, which occur in the body of an…

Q: The production of pink flowered plants from a cross between a red flowered plant and a white…

A: In monohybrid cross, pure breeding plants with dominant and recessive phenotypes are crossed.…

Q: In chickens, feather colour is determined by alleles at 2 loci. Chickens with the allele I have…

A: In this question, it is clear that two different sets of genes are involved in determining the…

Q: Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a…

A: Dihybrid cross involves two genes in a cross. That's why the two traits are involved in this cross.

Q: 1.) If the chromosome number in a sepematogonium is 24, what will be the chromosome number in each…

A: Spermatogenesis is the process of formation of spermatogonia from the germ cells present in the…

Q: 2)If an individual that is homozygous dominant for a gene has offspring with an individual that is…

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

Q: hoose which of the following is true: a) Haploid cells have one allele per gene b) Haploid cells…

A: DNA is the genetic material present in most of the living organisms. The DNA is made up of 4…

Q: 37) The recessive alleles k (kidney-shaped eyes instead of wild-type round, c (cardinal-colored eyes…

A: This is the three points cross, cross between three genes i.e., k, c and eHere given,k c e  3 = Dcok…

Q: In a dihybrid cross AA bb x aa BB, what proportion of the F2 offspring is expected to be…

A: P: AAbb   x     aaBB  F1:  AaBb     Selfing of AaBb  AaBb   x    AaBb  AaBb gametes : AB, Ab, aB,…

Q: X Crossing a normal size wheat with a dwarf wheat gives 100% intermediate size plants in F1. It is…

A: When crossing between two phenotypes results in a third intermediate phenotype, it is a case of…

Q: A cross between two pure breeding pea plants in which one parent produced yellow seeds and the other…

A: Punnet square is the diagrammatical square that helps to determine all resultant combinations of…

Q: In fruit flies, yellow body is a sex linked recessive allele. The dominant allele is dark bodied. If…

A: This is the chart showing genotype as well as phenotype of the parent fruit flies.    Q1. Now with…

Q: In the mouse, gene A is epistatic to gene B. Dominant allele A allows pigmentation to be transported…

A: Epistasis is a genetic phenomenon where the expression or effect of one gene depends upon the…

Q: An attached-X female fly, XX ¬Y (see the “Insights and Solutions” box), expresses the recessive…

A: Inheritance or heredity is passing-on one trait from the parents to the progeny by either asexual or…

Q: In fruit flies, yellow body is a sex linked recessive allele. The dominant allele is dark bodied. If…

A: Introduction :  X-LINKED RECESSIVE INHERITANCE :  1. It is a form of sex-linked inheritance. 2. A…

Q: If in an offspring there is a "zigzag" segregation for the [y] mutant phenotype (recessive mutation)…

A: Zigzag segregation is a phenomenon in which genetic material is passed on in an irregular or zigzag…

Q: What is complete dominance A) When one Allele produces the phenotypic expression. B) When two…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is A Explanation : Complete Dominance Is…

Q: In fruit flies a dominant mutation on the X chromosome causes the eye to be oval instead of round.…

A: Introduction :  Gene is a unit of heredity. It contains the genetic information. It is made up of…

Q: Which of the following is the genotype for a female with a yellow body and red eyes, who is…

A: Alleles are the different forms of a gene. The genotype of two same alleles is called homozygous…

Q: If a heterozygous brown mouse is crossed with a homozygous white mouse, which of the following…

A: Answer : Option "A " and  "C" are correct  50% are brown and 50%  are white

Q: If 50% of gametes produced by a double heterozygote are recombinant, then Group of answer choices…

A: Genes are said to be linked if both the genes are present on same chromosome. On the other hand the…

Q: In snails, the maternal gene influences the phenotype of the direction of snail coiling. If D is an…

A: dd female cross with dd male..

Q: 11) Two syntenic genes, B and C, are located 25 cM apart in Drosophila. You cross a ccDD female fly…

A: The objective of the question is to determine the proportion of the F2 progeny that are expected to…

Q: Consider the following statement: ‘female, w+w flies have red eyes’. In this example: Group of…

A: The objective of the question is to identify the correct relationship between genotype and phenotype…

Q: ele is dominant (purple or yellow)? How do you know? rple, because purple is always a dominant color…

A: A cross between two types of plants of same species considering only the transmission of one…

Q: In guinea pigs, a black coat is dominant to an albino coat, and short hair is dominant to long hair.…

A: The objective of this question is to predict the phenotypic ratio of the offspring produced by a…

Q: In C. elegans, lon-2 and unc-2 are recessive mutations that are 8 map units apart on the X…

A: A map unit is defined as the distance between two linked gene pairs where 1% of the products of…

Q: ASAP PLEASE In Talons, the feral style (S) is dominant over the gladiator style (s), and green eyes…

A: Genetics is defined as the study of heredity that is how characters are transferred from parents to…

Q: What can explain the phenomenon where the same genotype might give rise to different phenotypes? A)…

A: Here I will provide you the phenomenon in which single genotype gives rise to multiple phenotype.…

Q: 12. A heterozygous black mouse is crossed with a white mouse. a) Which color is dominant? b) How did…

A: Note: As per guidelines only the first three has been solved. Repost for remaining questions…