Homework Answers
In this case, we have two genes. One for eye color and one for tail length. In part A, you obtained 100% pink eyed bird. This could me two things:
•The pink color is recessive, so both birds were homozygous recessive and the resulting offspring will be pink eyed
•The pink color is dominant and both parents are homozygous dominant or one homozygous dominant and the other one heterozygous.
In the case of long tails, we need a heterozygous parent and a homozygous recessive parent. This will produce 50% short and 50% large tail.
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The pink-eyed offspring from above is mated with a pink-eyed bird that has the same genotype...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
Scenario 3: A one-eyed flying people-eater usually has purple skin. One-eyed fying people caters who are...
Scenario 3: A one-eyed flying people-eater usually has purple skin. One-eyed fying people caters who are recessive for skin color are bineA heterozygous purple one eyed people eater has offspring with an bino female one-eyed people cater. Value: 1 Which of the following are the genotypes of the parents? (select one for each parent.) Imark all correct answers] a. Father - PP b. Father - Pp c. Father - pp d. Mother - PP e. Mother - Pp Mother -...
1. What ratio of offspring would result from a cross between a white-eyed male and a...
1. What ratio of offspring would result from a cross between a white-eyed male and a female that is heterozygous for red eye color? 2. If black and white true-breeding mice are mated and the result is all gray offspring, what inheritance pattern would this be indicative of? a. dominance b. codominance c. multiple alleles d. incomplete dominance 3. The ABO blood groups in humans are expressed as the IA, IB, and i alleles. The IA allele encodes the A...
A white eyes female fruit fly is mated to a red eyed (wild type) male. While...
A white eyes female fruit fly is mated to a red eyed (wild type) male. While most of their progeny are as expected, occasionally a white eyed female is produced due to nondisjunction in the female. What is the likely karyotype of this white eyed daughter? (assume all fruit flies have AA as autosomes)!! (Please explain :) ) A) XX B) XXY C) XO D) XXX Y) XYY
QUESTION D: In another set of mating experiments, a pink rabbit was mated to a pink...
QUESTION D: In another set of mating experiments, a pink rabbit was mated to a pink rabbit and the progeny tested for RFLPs A and B and for coat color. Since both parents are heterozygous at A, B, and W, each progeny is the result of two meiosis events in which recombination COULD have occurred. 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Probe 10kb A 5kb...
In another set of mating experiments, a pink rabbit was mated to a pink rabbit and...
In another set of mating experiments, a pink rabbit was mated to a pink rabbit and the progeny tested for RFLPs A and B and for coat color. Since both parents are heterozygous at A, B, and W, each progeny is the result of two meiosis events in which recombination COULD have occurred. a. How many meiosis events are represented in the 22 progeny shown in the table shown below? 1 2 3 4 5 6 7 8 9 10...
d. What percent of the offspring will be carriers of the white yel! 2. Using the...
d. What percent of the offspring will be carriers of the white yel! 2. Using the same information as for question #1, cross a heterozygous red-eyed female with a red-eyed male. 1. What are the genotypes of each parent? b. What fraction of the children will have red eyes? c. What fraction of the children will have white eyes? d. What fraction of the female children will carry the white eyed trait? 3. In humans, hemophilia is a sex-linked recessive...
Can you help me with this problem: 5. In an organism where 2N = 20, how...
Can you help me with this problem:
5. In an organism where 2N = 20, how many unique gametes could be produced due to independent assortment alone (not considering crossing over)? Briefly explain. 6. One of the autosomal loci controlling eye color in fruit flies has two alleles, one for brown eyes and the other for red eyes. Fruit flies from a true-breeding line with brown eyes were crossed with flies form a true-breeding line with red eyes. The Fı...
for questions 25 - 26 using the letters below. This set of questions refers to Mendel’s...
for
questions 25 - 26 using the letters below. This set of questions
refers to Mendel’s plants with either Purple flowers or White
flowers A. PP B. Pp C. pp D. PP or Pp E. Pp or pp F. PP or pp G.
none of these answers 25. A purple flowering pea plant of unknown
genotype would be best described by which answer above 26. To
determine the genotype of a purple flowering plant of unknown
genotype, you would cross...
how do i do this table? how is question 13 done? Part II: More Practice with...
how do i do this table?
how is question 13 done?
Part II: More Practice with Punnett Squares #1 Data Table II: Note: When you record a ratio, whether it is genotypic or phenotypic ratio, always record the most dominant characteristic first, followed by the recessive. Scenario Genotype Genotype Ratio of Offspring Ratio of Offspring Phenotype of Parent 1 of Parent Genotype 2 Gg gg 2Gg: 2gg or 1:1 2 gray: 2 black or 1:1 #2 #3 #4 #5 #6...
6. In Cross 1, a yellow eyed, long wing fruit fly from a pure breeding strain is mated to a red eye, short wing fruit fly from a pure breeding strain. All of their offspring (F1) had red eyes and long wings. In Cross 2, one of the F1 offspring is mated to a fly with yellow eyes and short wings, and this cross gave the following F2 population: 194 flies with long wings and red eyes, 796 flies with...
Scenario 3: A one-eyed flying people-eater usually has purple skin. One-eyed fying people caters who are recessive for skin color are bineA heterozygous purple one eyed people eater has offspring with an bino female one-eyed people cater. Value: 1 Which of the following are the genotypes of the parents? (select one for each parent.) Imark all correct answers] a. Father - PP b. Father - Pp c. Father - pp d. Mother - PP e. Mother - Pp Mother -...
1. What ratio of offspring would result from a cross between a white-eyed male and a female that is heterozygous for red eye color? 2. If black and white true-breeding mice are mated and the result is all gray offspring, what inheritance pattern would this be indicative of? a. dominance b. codominance c. multiple alleles d. incomplete dominance 3. The ABO blood groups in humans are expressed as the IA, IB, and i alleles. The IA allele encodes the A...
QUESTION D: In another set of mating experiments, a pink rabbit was mated to a pink rabbit and the progeny tested for RFLPs A and B and for coat color. Since both parents are heterozygous at A, B, and W, each progeny is the result of two meiosis events in which recombination COULD have occurred. 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Probe 10kb A 5kb...
In another set of mating experiments, a pink rabbit was mated to a pink rabbit and the progeny tested for RFLPs A and B and for coat color. Since both parents are heterozygous at A, B, and W, each progeny is the result of two meiosis events in which recombination COULD have occurred. a. How many meiosis events are represented in the 22 progeny shown in the table shown below? 1 2 3 4 5 6 7 8 9 10...
d. What percent of the offspring will be carriers of the white yel! 2. Using the same information as for question #1, cross a heterozygous red-eyed female with a red-eyed male. 1. What are the genotypes of each parent? b. What fraction of the children will have red eyes? c. What fraction of the children will have white eyes? d. What fraction of the female children will carry the white eyed trait? 3. In humans, hemophilia is a sex-linked recessive...
Can you help me with this problem:
5. In an organism where 2N = 20, how many unique gametes could be produced due to independent assortment alone (not considering crossing over)? Briefly explain. 6. One of the autosomal loci controlling eye color in fruit flies has two alleles, one for brown eyes and the other for red eyes. Fruit flies from a true-breeding line with brown eyes were crossed with flies form a true-breeding line with red eyes. The Fı...
for
questions 25 - 26 using the letters below. This set of questions
refers to Mendel’s plants with either Purple flowers or White
flowers A. PP B. Pp C. pp D. PP or Pp E. Pp or pp F. PP or pp G.
none of these answers 25. A purple flowering pea plant of unknown
genotype would be best described by which answer above 26. To
determine the genotype of a purple flowering plant of unknown
genotype, you would cross...
how do i do this table?
how is question 13 done?
Part II: More Practice with Punnett Squares #1 Data Table II: Note: When you record a ratio, whether it is genotypic or phenotypic ratio, always record the most dominant characteristic first, followed by the recessive. Scenario Genotype Genotype Ratio of Offspring Ratio of Offspring Phenotype of Parent 1 of Parent Genotype 2 Gg gg 2Gg: 2gg or 1:1 2 gray: 2 black or 1:1 #2 #3 #4 #5 #6...
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