In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot. What is the genotype of the mother? a. RR b. Rr c. rr d. Either A or B e. Either B or C Please read the scenario below; then, answer the question (in bold) that follows. In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot. What is the genotype of the father? a. RR b. Rr c. rr d. Either A or B e. Either B or C Please read the scenario below; then, answer the question (in bold) that follows. In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot. What gametes does the mother produce? a. R b. r c. R and r d. Rr e. RR
Answer all questions please.
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
What is the genotype of the mother?
| a. |
RR |
|
| b. |
Rr |
|
| c. |
rr |
|
| d. |
Either A or B |
|
| e. |
Either B or C |
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
What is the genotype of the father?
| a. |
RR |
|
| b. |
Rr |
|
| c. |
rr |
|
| d. |
Either A or B |
|
| e. |
Either B or C |
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
What gametes does the mother produce?
| a. |
R |
|
| b. |
r |
|
| c. |
R and r |
|
| d. |
Rr |
|
| e. |
RR |
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
What gametes does the father produce?
| a. |
R |
|
| b. |
r |
|
| c. |
R and r |
|
| d. |
Rr |
|
| e. |
RR |
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
If Nia were to (one day) marry a man who was heterozygous for the tongue-rolling trait, what percentage of their children would be able to roll their tongues?
| a. |
0% |
|
| b. |
25% |
|
| c. |
50% |
|
| d. |
75% |
|
| e. |
100% |
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
Imagine, for a moment, that the mother and father separate, and the mother decides to remarry. If her second husband is homozygous dominant for the tongue-rolling gene, what is the likelihood that their children (if they choose to have any) will be able to roll their tongues?
| a. |
0% |
|
| b. |
25% |
|
| c. |
50% |
|
| d. |
75% |
|
| e. |
100% |
-
Please read the scenario below; then, answer the question (in bold) that follows.
In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue is married to a man who cannot roll his tongue. The couple's daughter, Nia, can roll her tongue, but their son, Michael, cannot.
Imagine, for a moment, that the mother and father separate, and the mother decides to remarry. If her second husband is homozygous dominant for the tongue-rolling gene, what would be the genotypic ratioof their offspring (i.e., the F1 generation)?
a. 1 RR : 2 Rr : 1 rr
b. 2 RR : 2 rr
c. 2 RR : 2 Rr
d. 2 RR : 1 Rr : 1 rr
e. None of the above
Characteristics (or traits) of an organism, such as those described in the examples above, are said to be heritable. In this context, the term "heritable" means...
| a. |
Able to induce production of hair in various species |
|
| b. |
Traits that are most frequently seen within a given population early in development |
|
| c. |
The ability for traits to be passed down from parent to offspring |
|
| d. |
Traits that are only present when both parents are homozygous dominant |
|
| e. |
None of the above |
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