Homework Answers
PURE BREEDING MEANS HOMOZYGOUS CONDITION AND HYBRID MEANS HETEROZYGOUS CONDITION. RED AND WHITE RADISH CROSS TO FORM PURPLE RADISH MEANS GENES FOR RED AND WHITE RADISH ARE SHOWING INCOMPLETE DOMINANCE.
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2. In radishes, red and white are pure-breeding colors, while hybrids are purple. If a red...
a) In radishes, the plants can be tall (allele T) or dwarf (allele t). Tall is...
a) In radishes, the plants can be tall (allele T) or dwarf (allele t). Tall is dominant. Root color can be red (allele RR), white (allele RW), or pink (heterozygote). A radish that is true-breeding for both red roots and tallness (RRRR TT) is crossed with a radish that is true-breeding for both white roots and being dwarf (RWRW tt). Write the genotype and phenotype for the F1 generation. b) Assume the two genes for plant height and root color are...
When Mendel crossed pure breeding peas having purple flowers with pure breeding peas having white flowers,...
When Mendel crossed pure breeding peas having purple flowers with pure breeding peas having white flowers, all of the offspring had white flowers. These results mean that white flower color is the: a.) genotype. b.) dominant phenotype. c.) recessive phenotype. d.) mode of inheritance.
When pure breeding White Leghorn chickens are crossed with pure breeding White Wyandotte chickens, all the...
When pure breeding White Leghorn chickens are crossed with pure breeding White Wyandotte chickens, all the F1 birds are white. When the F1 birds are crossed with each other F2 birds appear in a ratio of 40 white: 10 colored. a.) Which ratio is approximated by the F2 offspring in the cross and what interaction is indicated by this ratio? b.) Assign genotypes to the purebred White Leghorn and Wyandotte chickens and to their F2 and F2 progeny. c.) Draw...
1. In a cross between two pure-breeding varieties of radish, one with red and the other...
1. In a cross between two pure-breeding varieties of radish, one with red and the other with white roots, all the F1 progeny had purple roots. The F2 obtained by selfing the F1 segregated as follows: Red Purple 80222 White 98 Two models (A and B) were suggested to account for these results:- A) Root colour is controlled by a single gene with two alleles showing incomplete dominance B) Root colour is controlled by two unlinked genes showing (recessive) epistasis....
4. Snifits are fictional diploid animals. You cross pure-breeding red long-nosed snifits with pure-breeding blue short-nosed...
4. Snifits are fictional diploid animals. You cross pure-breeding red long-nosed snifits with pure-breeding blue short-nosed snifits. All the F, snifits are red with short noses. Using the letters of your choice, write the genotypes of both parents and the F. (3 points) Next, you cross your F, snifits with pure-breeding blue short- nosed snifits. Draw a Punnett square showing this cross. Include both the genotype and phenotype in each square. Indicate the overall phenotype ratio expected from this cross....
In snapdragons, when true-breeding red flowers are crossed with true-breeding white flowers, all the offspring exhibit...
In snapdragons, when true-breeding red flowers are crossed with true-breeding white flowers, all the offspring exhibit pink flowers. When true-breeding tall snapdragons are crossed with dwarf snapdragons, all the offspring are tall. A researcher decided to perform a dihybrid cross with the above characters and obtained all pink, tall snapdragons (F1). It was then decided to perform across with members of the F1 generation. What are the expected phenotypic ration for the F2 generation? (PLEASE INCLUDE LEGENDS, PUNNET SQUARES and...
In flies, red eyes are dominant to brown eyes, while long wings are dominant to dumpy...
In flies, red eyes are dominant to brown eyes, while long wings are dominant to dumpy wings. You will cross a true-breeding fly with red eyes & dumpy wings to a true-breeding fly with brown eyes & long wings. a. What genotype & phenotype do you expect in the F1 generation? b. Draw a Punnett Square which represents the F2 generation & give phenotypic ratios.
In Mendel's pea experiment A pure breeding parent with white flowers was crossed with a pure...
In Mendel's pea experiment A pure breeding parent with white flowers was crossed with a pure breeding purple flower parent. Which is true of the parents? Both are heterozygous one is heterozygous One is homozygous Both are dominant None of the above Question 2 1 pts In the same experiment which is true of the F1 generation O All are heterozygous all are homozygous all will be white color flower all are pure breeding none of the above Questions TPS...
42. true-breeding (homozygote) red flower plant was bred with a true-breeding pure white flower plant (therefore...
42. true-breeding (homozygote) red flower plant was bred with a true-breeding pure white flower plant (therefore P generation). What flower color you expect in Fl progeny? a) Only red b) Only white c) Only pink d) Both red and white If F, offspring (from the above question # 41) were crossed with each other, what flower color you expect in F2 progeny? a) Only red b) Only white c) Only pink d) All of the above What phenotype ratio you...
B> ;L I: Assume simple dominance B-brown-fur, byellow-fur, L-small-ear, 1-large-ear For the given true-breeding parentals, perform...
B> ;L I: Assume simple dominance B-brown-fur, byellow-fur, L-small-ear, 1-large-ear For the given true-breeding parentals, perform the following: a) Cross the two parental lines and determine the genetype and phenotype of all offspring. (we will call these offspring the FI generation) b) Perform a self-cross of the Fl progeny. You must fill a Punnett square to demonstrate the genotype of all the offspring of this cross, (which we will call the F2 generation) e) Determine ratio of the various F2...
1. In a cross between two pure-breeding varieties of radish, one with red and the other with white roots, all the F1 progeny had purple roots. The F2 obtained by selfing the F1 segregated as follows: Red Purple 80222 White 98 Two models (A and B) were suggested to account for these results:- A) Root colour is controlled by a single gene with two alleles showing incomplete dominance B) Root colour is controlled by two unlinked genes showing (recessive) epistasis....
4. Snifits are fictional diploid animals. You cross pure-breeding red long-nosed snifits with pure-breeding blue short-nosed snifits. All the F, snifits are red with short noses. Using the letters of your choice, write the genotypes of both parents and the F. (3 points) Next, you cross your F, snifits with pure-breeding blue short- nosed snifits. Draw a Punnett square showing this cross. Include both the genotype and phenotype in each square. Indicate the overall phenotype ratio expected from this cross....
In Mendel's pea experiment A pure breeding parent with white flowers was crossed with a pure breeding purple flower parent. Which is true of the parents? Both are heterozygous one is heterozygous One is homozygous Both are dominant None of the above Question 2 1 pts In the same experiment which is true of the F1 generation O All are heterozygous all are homozygous all will be white color flower all are pure breeding none of the above Questions TPS...
42. true-breeding (homozygote) red flower plant was bred with a true-breeding pure white flower plant (therefore P generation). What flower color you expect in Fl progeny? a) Only red b) Only white c) Only pink d) Both red and white If F, offspring (from the above question # 41) were crossed with each other, what flower color you expect in F2 progeny? a) Only red b) Only white c) Only pink d) All of the above What phenotype ratio you...
B> ;L I: Assume simple dominance B-brown-fur, byellow-fur, L-small-ear, 1-large-ear For the given true-breeding parentals, perform the following: a) Cross the two parental lines and determine the genetype and phenotype of all offspring. (we will call these offspring the FI generation) b) Perform a self-cross of the Fl progeny. You must fill a Punnett square to demonstrate the genotype of all the offspring of this cross, (which we will call the F2 generation) e) Determine ratio of the various F2...
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