Give Genotype Ratios and Phenotype Ratios Use the information above to answer the following question for...
Give Genotype Ratios and Phenotype Ratios Use the information above to answer the following question for a standard Dihybrid cross (show your math!):
a. How many F2 offspring are expected to have the same phenotype as either of the truebreeding parents?
b. How many F2 offspring are expected to have the same phenotype as the F1?
c. How many F2 offspring are expected to have the same genotype as either of the truebreeding parents?
d. How many F2 offspring are expected to have the same genotype as the F1?
Homework Answers
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Give Genotype Ratios and Phenotype Ratios Use the information
above to answer the following question for...
Question 12 only. Punnett's square analysis for the parental cross r Rr Rr 9) If we...
Question 12 only.
Punnett's square analysis for the parental cross r Rr Rr 9) If we used the above offspring (F1) in a new cross, what would be the genotypes and phenotypes of the offspring of the Fz generation? 10) What is the genotypic ratio of the F2 generation? 11) What is the phenotypic ratio of the F2 generation? 12) What would be the genotypic and phenotypic ratios of offspring from a cross between a homozygous recessive parent (r r)...
5. In Mendel's experiments, the pod color gene and the seed shape gene were located on...
5. In Mendel's experiments, the pod color gene and the seed shape gene were located on different chromosomes (in other words, they were not linked. They assort independently). Green pods (G) are dominant over yellow pods (g) and tall stems (T) are dominant over dwarf stems (t). You are given two true breeding plants (homozygous at both genes). In the parental (P) generation, one parent has green pods and dwarf stems and the second parent has yellow pods and tall...
1. What would be the phenotype for each of the following birds, including their gender? Color...
1. What would be the phenotype for each of the following birds, including their gender? Color Gender Bb ZZi: - bb ZiZi: - BB ZZ: - bb ZW: - Bb ZiW: - 2. Using the phenotypes of the parents and of the progeny given in table 1, determine the genotype of each parent in the first nest. Male Female 3. Using the phenotypes of the parents and of the progeny given in table 2, determine the genotype of each parent...
PART B. TWO-GENE CROSSES. Review the phenotype ratios for crosses between two unlinked genes (with traditional...
PART B. TWO-GENE CROSSES. Review the phenotype ratios for crosses between two unlinked genes (with traditional Mendelian ratios). The results for crosses involving two gene mutations are provided. There are three listed. You should choose 2 two-gene crosses to investigate. Determine if these mutations have any lethality, linkage, or epistatic relationship. Hint: A good first step is to look at the inheritance patterns of each individual gene. Typical Steps for Two-Gene Analysis. Various crosses have been performed and the results...
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...
Campbell Biology, 10edition Answer all of the following questions Chapter 14 Mendel and the Gene Idea...
Campbell Biology, 10edition Answer all of the following questions Chapter 14 Mendel and the Gene Idea a) What is a monohybrid cross and dihybrid cross? How do the number of characters being studied and whether the trait is homozygous or heterozygous play a role? b) Calculate the different gametes could be produced through independent assortment by an individual with the genotype KkLlMmDdEE? c) What are the gametes that could be produced from a parent that is AaBb. d) How many...
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...
how do I set this question BKB) A Alternative formats Page < 2 Two different genes...
how do I set this question
BKB) A Alternative formats Page < 2 Two different genes that sort independently from affect flower color and plant height Flower color phenotype is purple (PP/Pp) or white (pp) and plant height phenotype is (TT/Tt) or short (tt). If a PPtt male parent is crossed with a ppTT female parent pleas give the phenotypic and genotypic ratios for the F1 and F2 progeny. Show all wor (10 pts.) Parental: Male Phenotype Female Phenotype__ F1...
. . . Activity E. Predicting the outcome of a dihybrid cross The resulting phenotypic ratios...
. . . Activity E. Predicting the outcome of a dihybrid cross The resulting phenotypic ratios in the F2 generation of a dihybrid cross (2 traits) can be quite different than those observed from a monohybrid cross. But the process is essentially the same. First you list all possible gametes each parent and subsequent parents can produce. Second, you then assign the gamete possibilities to the Punnett square and fill it in. Finally you count the progeny and determine the...
with brown fur and all offspring had black fur. ne of the resulting F2 progeny were...
with brown fur and all offspring had black fur. ne of the resulting F2 progeny were brown 7. A guinea pig with black fur was bred to one with brown fur and all offspring na When two of these F1 offspring were bred, some of the resulting F2 progeny while others were black. a. What is the dominant phenotype? How do you know?__ b. Create symbols to represent the alleles for coat color in guinea pigs. Black = Brown =...
Question 12 only.
Punnett's square analysis for the parental cross r Rr Rr 9) If we used the above offspring (F1) in a new cross, what would be the genotypes and phenotypes of the offspring of the Fz generation? 10) What is the genotypic ratio of the F2 generation? 11) What is the phenotypic ratio of the F2 generation? 12) What would be the genotypic and phenotypic ratios of offspring from a cross between a homozygous recessive parent (r r)...
5. In Mendel's experiments, the pod color gene and the seed shape gene were located on different chromosomes (in other words, they were not linked. They assort independently). Green pods (G) are dominant over yellow pods (g) and tall stems (T) are dominant over dwarf stems (t). You are given two true breeding plants (homozygous at both genes). In the parental (P) generation, one parent has green pods and dwarf stems and the second parent has yellow pods and tall...
PART B. TWO-GENE CROSSES. Review the phenotype ratios for crosses between two unlinked genes (with traditional Mendelian ratios). The results for crosses involving two gene mutations are provided. There are three listed. You should choose 2 two-gene crosses to investigate. Determine if these mutations have any lethality, linkage, or epistatic relationship. Hint: A good first step is to look at the inheritance patterns of each individual gene. Typical Steps for Two-Gene Analysis. Various crosses have been performed and the results...
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...
how do I set this question
BKB) A Alternative formats Page < 2 Two different genes that sort independently from affect flower color and plant height Flower color phenotype is purple (PP/Pp) or white (pp) and plant height phenotype is (TT/Tt) or short (tt). If a PPtt male parent is crossed with a ppTT female parent pleas give the phenotypic and genotypic ratios for the F1 and F2 progeny. Show all wor (10 pts.) Parental: Male Phenotype Female Phenotype__ F1...
. . . Activity E. Predicting the outcome of a dihybrid cross The resulting phenotypic ratios in the F2 generation of a dihybrid cross (2 traits) can be quite different than those observed from a monohybrid cross. But the process is essentially the same. First you list all possible gametes each parent and subsequent parents can produce. Second, you then assign the gamete possibilities to the Punnett square and fill it in. Finally you count the progeny and determine the...
with brown fur and all offspring had black fur. ne of the resulting F2 progeny were brown 7. A guinea pig with black fur was bred to one with brown fur and all offspring na When two of these F1 offspring were bred, some of the resulting F2 progeny while others were black. a. What is the dominant phenotype? How do you know?__ b. Create symbols to represent the alleles for coat color in guinea pigs. Black = Brown =...
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