Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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- I. In the fruit fly Drosophila melanogaster, tan body color (B) is dominant to black (b), and dark red eyes (E) is dominant to bright orange (e). A black fly, heterozygous for eye color (Fly #1) is crossed to an orange eyed fly, heterozygous for body color (Fly #2). What are... Genotypes of the parents? x #2 Gametes from each parent? Ratios of gametes from each parent? Complete the following Punnett square. Indicate gamete genotypes from each parent and all offspring genotypes. Fly #1 What proportion of offspring are... Tan & dark red? Tan & orange? Black & dark red? Black & orange? Probability (P) of Aa Bb Dd = P (Aa) A. B. II. What is the probability that this pair of parents will produce the indicated offspring? Aa Bb DD x aa Bb Dd Aa Bb Dd. Punnett squares for each trait can help with this! I C. Mode of inheritance = || O IV BIO 340 ACTIVITY #3: HYBRID CROSSES, PROBABILITY & PEDIGREES Name (Last, First) III. For each of these three pedigrees, determine the likely mode of…arrow_forward22. What will be the phenotype of the fly that grows from the fertilized cell shown below? (LS3-1) * Allele key Dominant Recessive C- Curly wing B - Brown body L- Legs on head R- Red eyes C - normal wing b - black body 1- antenna r- orange eyes Normal wings, black body, antenna, and red eyes. Curly wings, brown body, legs on head, and red eyes. Curly wings, brown body, legs on head, and orange eyes. O Normal wings, brown body, legs on head, and red eyesarrow_forward4. A true-breeding strain of wheat that has brown kernels is crossed with a true-breeding strain that has white kernels. The F₁ generation has all brown kernels. The F₁ generation is self crossed and the phenotypes in the F2 generation are 15/16 brown 1/16 white Propose a genetic model to explain these results.arrow_forward
- . Jimsom. weed plants can produce purple or white flowers and spiny or smooth seed pods. A purple spiny plant is crossed with a white spiny plant. This cross produces: 89 purple spiny; 92 white spiny; 31 purple smooth and 27 white smooth plants. What are the genotypes of the parental plants and the progeny plants? Use the letters P/p for flower color and S/s for pod texture Parent #1 –genotype:_________________________________; Parent #2 –genotype: ______________________________ b. Offspring plants – genotypes and phenotypes c. Calculate the recombination frequency using these results_________________________________ i need help finding the right answer and i need an explation on how you got it so i understand and please do it with a punnet square and show the calutions step by steparrow_forward10. You are testing Drosophila for the following recessive genes: "spinless" without bristles on the wings; "claret" dark brown eyes; and "hairless" without thoracic bristles. You do a test cross with a heterozygous female for all three genes, and you get the following progeny: spineless 82wild 380claret, spinless 130claret 18claret, hairless 80hairless, claret, spinless 323hairless 140hairless, spinless 12 The correct distance between sp - cl genes is: a. 0.25 umb. 0.36 umc. 41 umd. 25 ume. 16 um 11. You are testing Drosophila for the following recessive genes: "spinless" without bristles on the wings; "claret" dark brown eyes; and "hairless" without thoracic bristles. You do a test cross with a heterozygous female for all three genes, and you get the following progeny: spineless 82wild 380claret, spinless 130claret 18claret, hairless 80hairless, claret, spinless 323hairless 140hairless, spinless 12 The correct distance between sp - hl genes is: a. 0.25 umb. 0.36 umc. 41 umd. 25…arrow_forwardPart 1: Mendelian Genetics 1. For each of the genotypes Purple Flowers are Dominant to white flowers PP - Purple Pp - Purple pp-White Straight hair is dominant to curly hair below, list all possible phenotypes. Brown eyes are dominant to blue eyes Straight - HH, Hh Curly - hh BB- Bb bb- 2. For each of the phenotypes below, list all possible genotypes. (Remember: use only 1 letter to designate a trait, big and small per scenario) Pointed heads are dominant to round heads Black fur is dominant to white fur Pointed - Round - FF - Ff- ff - Jagged leaves are dominant to smooth leaves Jagged - Smooth -arrow_forward
- 6. please answer thisarrow_forwardPart 1: Make a three part process drawing (like a cartoon strip) to demonstrate Mendel's Principle of Segregation. Use two parents with homologous chromosomes marked with alleles "A" and "a". Circle and label these three action parts of the Principle of Segregation: a) parents are diploid, b) alleles separate to form haploid gametes (indicate when this happens), and c) gametes from each parent combine at random to form diploid offspring Part 2: Use the cross Aa x Aa and a Punnett square to demonstrate Mendel's Principle of Segregation. Circle and label these three action parts of the Principle of Segregation: a) parents are diploid, b) alleles separate to form haploid gametes and c) gametes from each parent combine at random to form diploid offspring. Part 3: Use homologous chromosomes marked with alleles "A" and "a" and a second pair of homologs marked with alleles "B" and "b". to demonstrate Mendel's Principle of Independent Assortment in cells in Meiosis. Indicate what phase this…arrow_forwarddd-ons Help в I U A Calibri 12 三 三1 |:三 6. Consider a guinea pig with a homozygous genotype and a white fur color phenotype. a. What is the probability this parent will produce a gamete with the dominant allele? b. What is the probability this parent will produce a gamete with the recessive allele? C. If 31 sperm cells are collected from this guinea pig, how many would you expect to have the recessive allele (as determined by sequencing the gene)? !!!arrow_forward
- 6. If individual IV-9 is a female, what is the probability that she would be affected with dark blue skin color?arrow_forward1.In Drosophila melanogaster body color is controlled by one gene while wing shape is controlled by a second gene. Gray body color is dominant to black body color, and normal wings are dominant to vestigial wings. Flies homozygous for gray body color and vestigial wings are crossed with flies homozygous for black body color and normal wings. A.compare the possible f2 generation genotypes and phenotypes and proportions if these two traits. B.How does your answer change if one of the original parents is homozygous for gray body color and normal wings while the other has black body color and vestigial wings?arrow_forward2arrow_forward
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