Homework Answers
Solution
TRUE
EXPLAINATION
In resulting F2 generation, 3/4 showed the dominant phenotype, and 1/4 showed the recessive phenotype.
For example when a round seedline was crossed to wrinkled seed line, the F1 generation was all round. And F2 generation showed a phenotypic ratio of
3 round: 1 wrinkled (3:1)
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Question 36 --/2 In Genetics, the ratio seen in the F2 generation is 3:1 dominant traits...
1) The observed numbers for dominant and recessive types in an F2 generation are 154 and...
1) The observed numbers for dominant and recessive types in an F2 generation are 154 and 46. You would assume the expected numbers to be in a ---------- to 1 ratio. would the answer for question 1 be a 3 to 1 ratio i'm really confused. 2) Looking at the observed numbers in question 1 what would your expected number of dominant types be? I don't know please help. 3) Using the same observed numbers in question 1 what would...
As it is UNIT GENETICS PROBLEMS #2: TEST CROSSES 1. In peas, green pods are dominant...
As it is
UNIT GENETICS PROBLEMS #2: TEST CROSSES 1. In peas, green pods are dominant and yellow pods are the recessive trait. You have pea plants with green pods but you are unsure of the parentage of these plants. How would you determine the genotype of your green pod plants 2. Two black mice mate. Six of their offspring are black and two are white. (Black fur is dominant to white.) a· What are the genotypes of the parents....
3. Consider two traits for a hypothetical animal fur color and ear length. Each trait is...
3. Consider two traits for a hypothetical animal fur color and ear length. Each trait is controlled by one gene with two alleles. Black fur is dominant to gray fur and long ears are dominant to short. The genes for the two traits are located on different chromosomes. Note: In the following problems, you need to take both traits into account simultaneously a. You cross a true breeding black long-eared male with a true-breeding gray short-eared female. What is the...
genetics Analyze the following fruit fly cross. In this cross there are two autosomal traits that...
genetics
Analyze the following fruit fly cross. In this cross there are two autosomal traits that are influenced by two distinct genes and the F2 generation came from crossing an F1 male with an F1 female. P: true breeding grey eyed; brown bodied males x true breeding red eyed; black bodied females F1: all offspring are red eyed; brown bodied F2: ? When the F1 flies are allowed to self cross, what percentage of F2 flies will have both brown...
If an F2 generation of fruit flies had a 9:3:3:1 ratio for bar eyes:wildtype:bar eyes and...
If an F2 generation of fruit flies had a 9:3:3:1 ratio for bar eyes:wildtype:bar eyes and vestigial wings:vestigial wings mutations respectively, what was the genotype for the Parental generation? Please show work :(
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline...
GENETICS PROBLEMS 1. The gene for widow's peak (W) is dominant to the gene for straight hairline (w). A male homozygote with widow's peak marries a female homozygote with straight hairline, what are the possible genotypic and phenotypic ratios of the F1 and F2 generations that may result from the union? Phenotype of Parents ………………………… x ………………………… Genotype of Parents ………………………… x ………………………… Genes in gametes ………………………… x ………………………… Genotype of F1 Generation ………………………… Phenotype of F1 Generation ………………………… Genes in F1 gametes ………………………… or ………………………… (Punnett Square)...
Two animals were crossed in F1 generation: grey and brown. F2 consisted of 38 grey animals...
Two animals were crossed in F1 generation: grey and brown. F2 consisted of 38 grey animals and 40 brown animals. Answer the following questions: a) what are the genotypes of organisms in F1 and in F2 generation? (15 pts) b) which color is dominant and which one is recessive? (5 pts) c) if two animals in F1 generation came from the same parents, what are all the possible genotypes that their parents could have? (GENETICS QUESTION; SOLVE AS SOON AS...
Mendel described ratios of 1 dominant purebreeding: 2 hybrids: 1 recessive purebreeding, which we describe in...
Mendel described ratios of 1 dominant purebreeding: 2 hybrids: 1 recessive purebreeding, which we describe in modern genetic terms as a 1:2:1 genotype. True False In Meiosis, chromosome pairs separate during _________________. In Mendel's crossing scheme, which generation (s) include hybrids (heterozygotes)? Group of answer choices F1 and F2 P0 and F1 only the F2 generation only the F1 generation
Please answer the below genetics question. You have a pair of breeding flying squirrels. You keep...
Please answer the below genetics question.
You have a pair of breeding flying squirrels. You keep track of their litters until you have data on 600 baby squirrels. 110 of the babies had fluffy tails and brown eyes. 37 of the babies had thin tails and brown eyes. 339 of the babies had fluffy tails and green eyes. Finally, 114 of the babies had thin tails and green eyes. a) What are the genotypes of your two flying squirrels? b)...
Please answer the below genetics question. You have a pair of breeding flying squirrels. You keep...
Please answer the below genetics question.
You have a pair of breeding flying squirrels. You keep track of their litters until you have data on 600 baby squirrels. 110 of the babies had fluffy tails and brown eyes. 37 of the babies had thin tails and brown eyes. 339 of the babies had fluffy tails and green eyes. Finally, 114 of the babies had thin tails and green eyes. a) What are the genotypes of your two flying squirrels? b)...
As it is
UNIT GENETICS PROBLEMS #2: TEST CROSSES 1. In peas, green pods are dominant and yellow pods are the recessive trait. You have pea plants with green pods but you are unsure of the parentage of these plants. How would you determine the genotype of your green pod plants 2. Two black mice mate. Six of their offspring are black and two are white. (Black fur is dominant to white.) a· What are the genotypes of the parents....
3. Consider two traits for a hypothetical animal fur color and ear length. Each trait is controlled by one gene with two alleles. Black fur is dominant to gray fur and long ears are dominant to short. The genes for the two traits are located on different chromosomes. Note: In the following problems, you need to take both traits into account simultaneously a. You cross a true breeding black long-eared male with a true-breeding gray short-eared female. What is the...
genetics
Analyze the following fruit fly cross. In this cross there are two autosomal traits that are influenced by two distinct genes and the F2 generation came from crossing an F1 male with an F1 female. P: true breeding grey eyed; brown bodied males x true breeding red eyed; black bodied females F1: all offspring are red eyed; brown bodied F2: ? When the F1 flies are allowed to self cross, what percentage of F2 flies will have both brown...
Please answer the below genetics question.
You have a pair of breeding flying squirrels. You keep track of their litters until you have data on 600 baby squirrels. 110 of the babies had fluffy tails and brown eyes. 37 of the babies had thin tails and brown eyes. 339 of the babies had fluffy tails and green eyes. Finally, 114 of the babies had thin tails and green eyes. a) What are the genotypes of your two flying squirrels? b)...
Please answer the below genetics question.
You have a pair of breeding flying squirrels. You keep track of their litters until you have data on 600 baby squirrels. 110 of the babies had fluffy tails and brown eyes. 37 of the babies had thin tails and brown eyes. 339 of the babies had fluffy tails and green eyes. Finally, 114 of the babies had thin tails and green eyes. a) What are the genotypes of your two flying squirrels? b)...
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