You do a cross between a white curly haired mouse and a black straight haired mouse....
You do a cross between a white curly haired mouse and a black straight haired mouse. You do not know if these animals come from true breeding populations. The 40 F1 progeny are 21 white curly haired mice and 19 black straight haired mice. The following are consistent with this data.
- A.
Black is dominant.
- B.
One of the mice was heterozygous for both curly/straight and white/black hair.
- C.
Both curly/straight and white/black are present together on the same chromosome.
- D.
All of the answers listed above (ABCD) are correct.
- E.
None of the answers liste above (ABCD) are correct.
Homework Answers
According to basic genetics,short hair is dominant to long hair .and also black hair is dominant to white hair in mouse
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You do a cross between a white curly haired mouse and a black
straight haired mouse....
In guinea pig, white coat (f) is recessive to black coat (F) and curly hair (h)...
In guinea pig, white coat (f) is recessive to black coat (F) and curly hair (h) is recessive to straight hair (H). A breeder crosses a guinea pig that is homozygous for white coat and curly hair with a guinea pig that is black with straight hair. The F1 are then crossed with guinea pig having white coat and curly hair in a series of testcrosses. The following progeny are produce from these testcrosses: white, curly 31 white, straight 12...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have...
1.My wife has black color eyes, the dominant trait. All of her family and relatives have dark eyes too. I have light color eyes (blue), the recessive trait. We are hoping for a blue-eyed baby. What is the probability we will have a baby with blue eyes? What is the probability we will have a baby with dark eyes? 2. In humans, tongue rolling is a dominant trait, those with the recessive condition cannot roll their tongues. Bob can roll...
A cross has been set up between a true breeding tall plant producing white flowers and...
A cross has been set up between a true breeding tall plant producing white flowers and a true breeding short plant producing red flowers. One can be certain that this type of a cross: will result in a 3 red: 1 white ratio will result in all red F_1 flowers cannot produce progeny because the parental phenotypes are different from one another is a monohybrid cross is a dihybrid cross In humans, free earlobes (E) are dominant to attached earlobes...
that's all the professor give 3. In pigs, black hair (B) is dominant to red hair...
that's all the professor give
3. In pigs, black hair (B) is dominant to red hair (b). Erect ears (E) are dominant to drooping ears (e). What are the expected proportions of the different phenotypes resulting from a mating between two pigs heterozygous for both traits? SHOW A PUNNETT SQUARE 4. There are 2 colors in color squash, white & yellow. White (W) is dominant over yellow (w). What are the expected genotype and phenotype frequencies for each of the...
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...
5. You started working in a Drospohila lab. You are studying two different autosomal traits, body...
5. You started working in a Drospohila lab. You are studying two different autosomal traits, body color and antennae length. Gray body (B) is completely dominant to black body (b) and long antennae length (A) is completely dominant to short antennae length (a). You cross true-breeding gray bodied, long antennae files to true-breeding black bodied, short antennae. The F1 progeny all have gray bodies and long antennae. a. You perform a testcross to the F1 progeny produced from the parent...
QUESTION 1 Both of Molly’s parents have curly hair but Molly has straight hair, explain how...
QUESTION 1
Both of Molly’s parents have curly hair but Molly has straight
hair, explain how you could use a Punnett square to illustrate how
this is possible.
Lali Estimate the phenotypes of potential offspring: 75% having brown fur and 25% of the offspring having white fur. Exercise 1: Understanding Alleles The chart below identifies the relationship between genotype and phenotype. You will use this chart to determine the characteristics of a puppy. Note: for simplicity all of the traits...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange pigment. Individuals that inherit twe recessive alleles (w) lack the normal orange pigment in their fur, appearing white with black stripes. A pair of normally colored parewis produces a cub that is white with black stripes and scab that is orange with black stripes. What are the possible genotypes of the cube? b. What are the possible genotypes of the parents? 6. Explain your...
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...
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....
In guinea pig, white coat (f) is recessive to black coat (F) and curly hair (h) is recessive to straight hair (H). A breeder crosses a guinea pig that is homozygous for white coat and curly hair with a guinea pig that is black with straight hair. The F1 are then crossed with guinea pig having white coat and curly hair in a series of testcrosses. The following progeny are produce from these testcrosses: white, curly 31 white, straight 12...
A cross has been set up between a true breeding tall plant producing white flowers and a true breeding short plant producing red flowers. One can be certain that this type of a cross: will result in a 3 red: 1 white ratio will result in all red F_1 flowers cannot produce progeny because the parental phenotypes are different from one another is a monohybrid cross is a dihybrid cross In humans, free earlobes (E) are dominant to attached earlobes...
that's all the professor give
3. In pigs, black hair (B) is dominant to red hair (b). Erect ears (E) are dominant to drooping ears (e). What are the expected proportions of the different phenotypes resulting from a mating between two pigs heterozygous for both traits? SHOW A PUNNETT SQUARE 4. There are 2 colors in color squash, white & yellow. White (W) is dominant over yellow (w). What are the expected genotype and phenotype frequencies for each of the...
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...
5. You started working in a Drospohila lab. You are studying two different autosomal traits, body color and antennae length. Gray body (B) is completely dominant to black body (b) and long antennae length (A) is completely dominant to short antennae length (a). You cross true-breeding gray bodied, long antennae files to true-breeding black bodied, short antennae. The F1 progeny all have gray bodies and long antennae. a. You perform a testcross to the F1 progeny produced from the parent...
QUESTION 1
Both of Molly’s parents have curly hair but Molly has straight
hair, explain how you could use a Punnett square to illustrate how
this is possible.
Lali Estimate the phenotypes of potential offspring: 75% having brown fur and 25% of the offspring having white fur. Exercise 1: Understanding Alleles The chart below identifies the relationship between genotype and phenotype. You will use this chart to determine the characteristics of a puppy. Note: for simplicity all of the traits...
6. In tigers, a dominant allele (W) is responsible for the expression of the normal orange pigment. Individuals that inherit twe recessive alleles (w) lack the normal orange pigment in their fur, appearing white with black stripes. A pair of normally colored parewis produces a cub that is white with black stripes and scab that is orange with black stripes. What are the possible genotypes of the cube? b. What are the possible genotypes of the parents? 6. Explain your...
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...
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....
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