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8. Diagram the dihybrid cross in Drosophila. (2.5) a. Use the gene symbols dpt/dp and se*/se...
4. Diagram the dihybrid cross in maize. (2.5) a. Use C for purple and c for...
4. Diagram the dihybrid cross in maize. (2.5) a. Use C for purple and c for yellow, use S for starchy and s for sweet b. Include P1 genotypes and phenotypes C. Include F1 genotypes and phenotypes d. Include F2 genotypes, phenotypes, and phenotypic ratio
4. Diagram the X-linked "Cross B." In Cross B we paired wild type females with white...
4. Diagram the X-linked "Cross B." In Cross B we paired wild type females with white eyed males. (5) a. Use Xw for red eye alleles and X for white eye alleles b. Include P1 genotypes and phenotypes c. Include F1 genotypes and phenotypes d. Include F2 genotypes and phenotypes e. Include the expected phenotypic ratio for males and females separately
3) Dihybrid cross: The dark-bodied and rudimentary winged genes are on two different autosomal chromosomes. We...
3) Dihybrid cross: The dark-bodied and rudimentary winged genes are on two different autosomal chromosomes. We will use this cross to determine the ratios of phenotypes in the F2 generation when there are two genes involved. 3.1) Use the following symbols to write out the cross: Male: 3 Female: 9 Dark body color (ebony) = e Wild-type body color: E or E+ Rudimentary wings- (vestigial wings= v) Wild-type wings: V or V+ 3.2) What would the cross look like if...
4. You cross individuals with the following Genotypes, AaBbDdEeFFGg & AaBbDDEeFfGg. Predict the proportion of offspring...
4. You cross individuals with the following Genotypes, AaBbDdEeFFGg & AaBbDDEeFfGg. Predict the proportion of offspring that would show the following Phenotype or Genotype? A) all Dominant Phenotypes, B) the Genotype: AabbDdEeFfgg, C) the Genotype: AABbDdEeFfgg, D) the Genotype: aaBbddEeffGg, & E) all Recessive Phenotypes. 5. You cross individuals with the following Genotypes, AaBbDdEeFFgg x AabbDDEeFfGg. If you produce 1000 offspring in this cross, predict the number of offspring that would have the following Phenotype or Genotype? A) all Dominant...
8. Challenge problem (20 marks) On a newly discovered island in the South Pacific, a geneticist...
8. Challenge problem (20 marks) On a newly discovered island in the South Pacific, a geneticist found two distinct pure-breeding populations of frogs: Strain 1: the frogs have purple eyes and croak by uttering "rib-it" (utterers). Strain 2: the frogs have green eyes and croak by muttering "knee-deep knee-deep" (mutterers). She mated frogs from the two lines, producing F1 frogs that were all utterers with blue eyes. A large F2 generation then yielded the following ratio: 27/64 blue, utterers 12/64...
2. You carry out a dihybrid cross in sweet peas where you examine the flower color...
2. You carry out a dihybrid cross in sweet peas where you examine the flower color locus (use symbols based on "P" for this gene) and blooming time locus (use symbols based on "L" for this gene). You cross a true breeding purple- flowering, early blooming plant to a true breeding red-flowering, late blooming plant. The F1 plants are all purple- flowering and late blooming. The F1 plants were subsequently used in a testcross. The flower color locus and the...
Questions 1-6 BIOL 366 Mono and Dihybrid Crosses Recitation Problem Set Directions: For problems 1-6, do...
Questions 1-6
BIOL 366 Mono and Dihybrid Crosses Recitation Problem Set Directions: For problems 1-6, do the following A. List how many genes are involved B. List how many alleles are involved. C. Identify symbols and genotypes / phenotypes D. List the genotypes of the parents E. Diagram and complete a Punnett square F. Give the phenotype percentages/ration of the offspring 1. In dogs, erect ears (E) is dominate over droopy ears (e). What are the results if two heterozygous...
all of them please Question 10 (1 point) In Drosophila, the mutant black (b) has a...
all of them please
Question 10 (1 point) In Drosophila, the mutant black (b) has a black body and the wild-type (b+) has a gray body; the mutant vestigial (v) has wings that are short and crumpled compared the long wild-type wings (V+). These genes are linked and are located on the X- chromosome. A cross between a female fly and a black, vestigial winged male fly produced the following progeny: gray (b+), normal (v+) 20 gray (b+), vestigial (v)...
250 45. Record your results below. Number of purple, smooth kernels Number of purple, wrinkled kernels...
250 45. Record your results below. Number of purple, smooth kernels Number of purple, wrinkled kernels Number of yellow, smooth kernels - Number of yellow, wrinkled kernels 46. What are the phenotypes of the Fz generation? a 92 se = 495 of the Fı generation 47. What are the genotypes of the F2 generation? Of the Fı generation 48. How do the observed phenotypes of your ear of corn compare with the expected F2 ratio? To calculate your expected ratio...
Nameindulia Los Drosophila Genetics Predictions-L113 (20 pts.) Part I. Meiosis and Punnett Squares Remember, whenever you...
Nameindulia Los Drosophila Genetics Predictions-L113 (20 pts.) Part I. Meiosis and Punnett Squares Remember, whenever you use Punnett Squares to solve genetics problems, be sure you are completing each of the following steps: 1) Identify the genotypes of the parents. 2) For the specific traits of interest, figure out what kinds of haploid gametes each parent can make. In each gamete, there should be one allele for each trait of interest. If there is more than one trait, make sure...
4. Diagram the dihybrid cross in maize. (2.5) a. Use C for purple and c for yellow, use S for starchy and s for sweet b. Include P1 genotypes and phenotypes C. Include F1 genotypes and phenotypes d. Include F2 genotypes, phenotypes, and phenotypic ratio
4. Diagram the X-linked "Cross B." In Cross B we paired wild type females with white eyed males. (5) a. Use Xw for red eye alleles and X for white eye alleles b. Include P1 genotypes and phenotypes c. Include F1 genotypes and phenotypes d. Include F2 genotypes and phenotypes e. Include the expected phenotypic ratio for males and females separately
3) Dihybrid cross: The dark-bodied and rudimentary winged genes are on two different autosomal chromosomes. We will use this cross to determine the ratios of phenotypes in the F2 generation when there are two genes involved. 3.1) Use the following symbols to write out the cross: Male: 3 Female: 9 Dark body color (ebony) = e Wild-type body color: E or E+ Rudimentary wings- (vestigial wings= v) Wild-type wings: V or V+ 3.2) What would the cross look like if...
8. Challenge problem (20 marks) On a newly discovered island in the South Pacific, a geneticist found two distinct pure-breeding populations of frogs: Strain 1: the frogs have purple eyes and croak by uttering "rib-it" (utterers). Strain 2: the frogs have green eyes and croak by muttering "knee-deep knee-deep" (mutterers). She mated frogs from the two lines, producing F1 frogs that were all utterers with blue eyes. A large F2 generation then yielded the following ratio: 27/64 blue, utterers 12/64...
2. You carry out a dihybrid cross in sweet peas where you examine the flower color locus (use symbols based on "P" for this gene) and blooming time locus (use symbols based on "L" for this gene). You cross a true breeding purple- flowering, early blooming plant to a true breeding red-flowering, late blooming plant. The F1 plants are all purple- flowering and late blooming. The F1 plants were subsequently used in a testcross. The flower color locus and the...
Questions 1-6
BIOL 366 Mono and Dihybrid Crosses Recitation Problem Set Directions: For problems 1-6, do the following A. List how many genes are involved B. List how many alleles are involved. C. Identify symbols and genotypes / phenotypes D. List the genotypes of the parents E. Diagram and complete a Punnett square F. Give the phenotype percentages/ration of the offspring 1. In dogs, erect ears (E) is dominate over droopy ears (e). What are the results if two heterozygous...
all of them please
Question 10 (1 point) In Drosophila, the mutant black (b) has a black body and the wild-type (b+) has a gray body; the mutant vestigial (v) has wings that are short and crumpled compared the long wild-type wings (V+). These genes are linked and are located on the X- chromosome. A cross between a female fly and a black, vestigial winged male fly produced the following progeny: gray (b+), normal (v+) 20 gray (b+), vestigial (v)...
250 45. Record your results below. Number of purple, smooth kernels Number of purple, wrinkled kernels Number of yellow, smooth kernels - Number of yellow, wrinkled kernels 46. What are the phenotypes of the Fz generation? a 92 se = 495 of the Fı generation 47. What are the genotypes of the F2 generation? Of the Fı generation 48. How do the observed phenotypes of your ear of corn compare with the expected F2 ratio? To calculate your expected ratio...
Nameindulia Los Drosophila Genetics Predictions-L113 (20 pts.) Part I. Meiosis and Punnett Squares Remember, whenever you use Punnett Squares to solve genetics problems, be sure you are completing each of the following steps: 1) Identify the genotypes of the parents. 2) For the specific traits of interest, figure out what kinds of haploid gametes each parent can make. In each gamete, there should be one allele for each trait of interest. If there is more than one trait, make sure...
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