In 1911. Thomas Hunt Morgan collected the following crossover gene frequencieswhile studying Drosophila. Bar-shaped eyes are indicated by the B allele, andcarnation eyes are indicated by the allele C. Fused veins on wings (A) and scallopedwings (S) are located on the same chromosomes In 1911, Thomas Hunt Morgan collected the following crossover gene frequencieswhile studying Drosophila. Bar-shaped eyes are indicated by the B allele, andcarnation eyes are indicated by the allele C. Fused veins on wings (A) and scallopedwings (S) are located on the same chromosomes.Recombination Frequency2.5%Gene CombinationsA/CB/C5.5%5.5%S/VS/ɔ%0'IIThe following chart shows the crossover frequencies for some genes on an autosomeof organism Z. Construct a chromosome map.GenesCrossover FrequencyP & QP & RP & S%8Q & R13% In 1911, Thomas Hunt Morgan collected the following crwhile studying Drosophila. Bar-shaped eyes are indicatecarnation eyes are indicated by the allele C. Fused veinswings (S) are located on the same chromosomes.Recombination Frequency2.5%Gene CombinationsA/BA/C3.0%B/C5.5%5.5%A/S11.0%S/SThe following chart shows the crossover frequencies for seof organism Z. Construct a chromosome map,

The genes are the hereditary unit of an organism. The genes are present in the chromosome that is…

近 In 1911, Thomas Hunt Morgan collected the following crossover gene frequencies while studying Drosophila. Bar-shaped eyes are indicated by the B allele, and carnation eyes are indicated by the allele C. Fused veins on wings (A) and scalloped wings (S) are located on the same chromosomes. Recombination Frequency 2.5% Gene Combinations %0 5.5% A/C B/C B/S 5.5% S/. C/S %0°8 %0'II The following chart shows the crossover frequencies for some genes on an autosome of organism Z. Construct a chromosome map. Genes Crossover Frequency P & Q P & R P & S %8 Q & R 13% 17%

近 In 1911, Thomas Hunt Morgan collected the following crossover gene frequencies while studying Drosophila. Bar-shaped eyes are indicated by the B allele, and carnation eyes are indicated by the allele C. Fused veins on wings (A) and scalloped wings (S) are located on the same chromosomes. Recombination Frequency 2.5% Gene Combinations %0 5.5% A/C B/C B/S 5.5% S/. C/S %0°8 %0'II The following chart shows the crossover frequencies for some genes on an autosome of organism Z. Construct a chromosome map. Genes Crossover Frequency P & Q P & R P & S %8 Q & R 13% 17%

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter13: Patterns In Inherited Traits

Section: Chapter Questions

Problem 6GP: In sweet pea plant, an allele for purple flowers (P) is dominant when paired with a recessive allele...

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Imagine that you are performing a cross involving seed texture in garden pea plants. You cross true-breeding round and wrinkled parents to obtain F1 offspring. Which of the following experimental results in terms of numbers of plants are closest to what you expect in the F2 progeny? a. 8lOroundseeds b. 8lOwrinkledseeds c. 405:395 round seeds:wrinkled seeds d. 610:190 round seeds:wrinkled seeds
Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?
An aquatic arthropod called a cyclops has antennae that are either smooth or barbed. The allele for barbed (B) is dominant over smooth (b). In the same organism, allele for non-resistance (N) to pesticides is dominant over resistance (n) to pesticide. What is the genotypic ratio of the offspring from a cross of Bbnn and bbNn cyclops? What would be the resulting phenotypic ratio if cyclops with genotypes BBnn x Bbnn mated?
Consider the following three point trihybrid testcross ibvolving traits in dragons. The genotypes determining the 8 progeny types from this testxross are shown below out of a sample of 1572 flies. What number of progeny for each genotype would you predict in the case of independent assortment. gametes number K L M 621 klm 608 k L M 103 K lm 109 K lm 64 k L m 57 K L m 3 k l M 7
Three corn seed traits are C for red, c for white; S for plump, s for shrunken; W for normal, w for waxy. Use the data from the testcross to map the distances and order of these three loci. Show calculations and illustrate the gene map. (Hint: drawing out the chromosomes and gametes will help.) Parents: CCssWW (CsW/CsW) X ccSSww (cSw/cSw) Trihybrid: CcSsWw (CsW/cSw) X ccssww (csw/csw) Test cross offspring Seed trait Gamete from trihybrid Number Red, shrunken, normal CsW 2777 White, plump, waxy cSw 2708 R ed, plump, waxy CSw 116 White, shrunken, normal csW 123 Red, shrunken, waxy Csw 643 White, plump, normal cSW 626 Red, plump, normal CSW 4 White, shrunken, waxy csw 3 Total number of progeny: 7000
In birds, wingspan is determined by two genes, one with complete dominance of one allele over the other, one with additive effects. Birds with genotype aabb has 16 cm long wingspan, whereas those with AABB has 20 cm long wingspan. A cross between AABB and aabb parents produced F1 with 19cm wingspan. Crossing the F1s produced F2 with the following phenotypes (in cm): 20.0 19.6 18.3 20.0 19.1 18.7 18.2 17.3 16.0 19.2 17.8 18.4 19.3 19.5 20.0 19.7 Determine the values of the following: NOTE: write the formula and the final answer Mean of the data Variance of the data Standard deviation According to these data, which wingspans are within one standard deviation of the mean?
REad and analyzed the following genetic problem. Show complete solution (Genotypes of P, Punnet Square and GR,PR). 1. In the garden peas, green pod color is dominant over yellow pods. Also, round seed shape is dominant over wrinkled seed. Cross fertilization was done between a pea that is homozygous dominant for pod color with heterozygous round shape and another pea that is heterozygous for both pod color and seed shape. Determine the genotypic and phenotypic ratio of teh offspring.
In corn plants, a dominant allele (K) allows kernel colour and a recessive allele (k) inhibits kernel colour when homozygous. On a different chromosome, the dominant gene P causes purple kernel colour and the homozygous recessive genotype causes red kernel colour.A true breeding white corn plant was crossed with a purple corn plant, yielding 50% red corn plants and 50% purple corn plants.What are the genotypes of the parental corn plants? Select one: a. KKPp kkpp b. KkPP kkPP c. kkPp KkPp d. KKPP kkPp
Consider 2 loci in Angus cattle: One locus for coat colour G allele = Black is dominant over g allele = Red, and another locus for absence of horn W allele = Polled/Hornless is dominant over w allele = Horned. Use Punnett Square method to predict the genotype of the offspring of the following crossings: a) What type of crossing would produce the phenotypic ratio of 1:1:1:1? b) What type of crossing would produce the phenotypic ratio of 9:3:3:1 ?
In analyzing the results of a three-point testcross, a student determines that the interference is −0.23. What does this negative interference value indicate? a. Fewer double crossovers took place than expected on the basis of single-crossover frequencies. b. More double crossovers took place than expected on the basis of single-crossover frequencies. c. Fewer single crossovers took place than expected. d. A crossover in one region interferes with additional crossovers in the same region.
(Reask) An aquatic arthropod called a cyclops has antennae that are either smooth or barbed. The allele for barbed (B) is dominant over smooth (bb). In the same organism, allele for non-resistance (N) to pesticides is dominant over resistance (n) to pesticide. What is the genotypic ratio of the offspring from a cross of Bbnn and bbNn cyclops? What would be the resulting phenotypic ratio if cyclops with genotypes BBnn x Bbnn mated?
Using the following information perform following crosses using the forked line and predict all possible phenotypes types of the offspring. List the number and description of the phenotypes of the offspring. 1. aa BB Cc Dd Ee X aa bb Cc Dd EE 2. Ff Rr Gg dd Bb X Ff RR Gg Dd Bb 3. Dd gg JJ bb Hh Ee X DD GG Jj Bb Hh Ee