Genetics problem: For the following questions, provide your answer to each part in the space provided. L is dominant over 1 L large, 1= small R is incompletely dominant over r. RR red, Rr pink, g=white. !! Parents: LLRT x LIRR Phenotype of Parent LLRR: Phenotype of Parent LIRR: Punnett Square: Gametes from Parent LIRR Gametes from Parent LLR
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- Genetics Problem: "Which of the following is typically associated with an autosomal recessive pattern of inheritance?" a. an affected offspring has one or more affected parents b. two affected heterozygous individuals will have 25% of their offspring unaffected c. an affected offspring has two unaffected parents d. an affected individual with one affected parent will have 50% of its offspring affectedQuestion:- Based on your selected mode of inheritance, show the genotypes for the following individuals. [Use these symbols for alleles: if it is autosomal, then use the symbols B - dominant, b - recessive (e.g. BB, bb etc.) if it is X-Linked, then X(B) - dominant, X(b) - recessive, and Y for Y-chromosome (e.g. X(B)X(B), X(B)Y etc.) ] I-1 I-2 II-7 II-8 III-10 III-11 III-12 IV-8 IV-9QUESTION:- In Drosophila, assume that the gene for scute bristles (s) is located at map position 0.0 and that the gene for ruby eyes (r) is at position 25.0. Both genes are located on the X chromosome and are recessive to their wild-type alleles. A cross is made between scute-bristled females and ruby-eyed males. Phenotypically wild-type F1 females were then mated to homozygous double mutant males, and 1000 offspring were produced. Give the phenotypes and frequencies expected..
- Question: Suppose the progeny were crossed. Fill in the Punnett Squares below and answer the following questions. Seed Color Seed Shape R r A a In a pea plant experiment, the allele (R) producing yellow seed color is dominant, and the allele (r) producing green seed color is recessive. A homozygous recessive genotype would produce green seeds. Similarly, the allele (A) producing round seed shape is dominant to the allele (a) that produces wrinkled seed shape. A homozygous recessive genotype would produce wrinkled seeds. Both traits sort independently of each other. Given a pure-breeding cross between a round, green pea plant and a wrinkled yellow plant, complete the rest of the Punnett Squares below, and answer the following questions. R R A A RA Ra Ra raQuestion:- A female fruit fly that is heterozygous for the white-eye mutation has red-eyed sons and white-eyed sons in equal proportions: a. regardless of the genotype of the male. b. only when mated with a red-eyed male. c. only when mated with a white-eyed male. d. only when mated with a heterozygous male.Problem Solving: In Drosophila, the gene that controls red eye color (dominant) versus white eye color is on the X chromosomes. What are the expected phenotypic results if a heterozygous female is crossed with a white-eyed male? In cats, S = short hair; s = long hair; XC = black coat; Xc = yellow coat; XCXc = tortoiseshell (calico) coat. If a long-haired yellow male is crossed with a tortoiseshell female homozygous for short hair, what are the expected phenotypic results?
- Question:- A farmer decides to cross two tomato plants. One of the plants is a dihybrid for genes G and H. The other is homozygous recessive for gene G but homozygous dominant for gene H. Which of the following offspring genotypes would be recombinants? Select all that apply. Select one or more: a. GgHH b. All of the above are recombinant c. ggHH d. None of the above are recombinant e. ggHh f. GgHhQuestion:- For a simple cross between a purple-flowered plant and a white-flowered plant, where purple is dominant over white. a. Show the F2 in a Punnett square. What are the proportions of genotypes and phenotypes? Express as fractions, decimal fractions and ratios. b. Now imagine that half of the pollen carrying the recessive allele die before reaching their target, while those carrying the dominant allele are unaffected; what are the proportions of genotypes and phenotypes now?What does this tell you about Mendel’s principle of segregation?mapping gene The genes for ruby eyes (rb), tan body (t) and cut wings (ct) are all found on the X-chromosome of Drosophila melanogaster. All of these are recessive traits. They map in the order rb, ct, t with 12.5 map units between rb and ct and 7.5 map units between ct and t. Suppose you cross a cut wing male with a homozygous female that is both tan and has ruby eyes. What will the F1 females look like? Draw map of the section of the X chromosomes that has these 3 genes for the F1 females Assume you testcross your F1 females. What progeny classes would you expect? ii. Give approximate numbers for each class based on a total of 2000 progeny. Assuming the i=1 and there are no double crossovers. Assuming the i=0 and there are the expected number of double crossovers.
- Select the true statements. (can be multiple). Sperm and egg cells are diploid, meaning that they have two copies of the human genome. Somatic cells are haploid, meaning that they have one copy of the human genome. Stem cells are haploid, meaning that they have one copy of the human genome. Somatic cells are diploid, meaning that they have two copies of the human genome.Hi, could your please answer this question? I'm so confused. The following diagram (picture added) shows 2 pairs of autosomal chromosomes in a karyotype of a biological woman. Based on the karyotype, a genetic counselor determined that there is evidence that a translocation occurred between two non-homologous chromosomes. The other 21 pairs of chromosomes are NOT shown in this diagram. Assume no chromosomal aberrations occurred in the other chromosomes. As a student-researcher, what would be your answer if the genetic counselor asks you if you can determine whether the translocation occurred in a somatic cell, germ-line cell, or whether this can even be determined from the figure? provide the reasoning for your answer.Question:- is this autosomal dominant, autosomal recessive, x linked recessive, or none of the above?