1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
7nadin3 [17]
3 years ago
14

With independent assortment, the ratio of phenotypes in the F2 generation of a cross between true-breeding strains (AA bb x aa B

B) can be described as 9:3:3:1 when A and B are dominant over a and b. To what phenotype does the "9" in the ratio refer?
a. recessive for both traits
b. dominant for one trait and recessive for the other
c.dominant for the A trait and recessive for the B trait
d. dominant for both traits
Biology
1 answer:
Alecsey [184]3 years ago
6 0

Answer:

B. Dominant for one trait and recessive for the other

Explanation:

using the Punnetts square for the question above, the 9 in the ration refers to a dominant for both traits such as AABB, AaBb.

while the 3: 3 refers to a dominant for a single trait and recessive for one such as AAbb, Aabb, aaBB, aaBb

and the 1 refers to recessive for both traits such as aabb.

You might be interested in
Large ships that remove and process huge amounts of fish each year are called
Inessa [10]
Lafayette
 the ansewer is lafayette its the biggest ship in the world for fish processing 
7 0
2 years ago
Some organisms obtain energy and nutrients from plants in an ecosystem. These organisms have energy stored in their bodies. What
Afina-wow [57]
The answer to this question would be <span>Some is used by decomposers, and some is released into the environment as heat.
</span>
When an organism died, decomposer can degrade some of its remaining corpses and use the produced energy. Some of the parts can't be degraded like bones.
The total energy should not be decreased as it was opposing the law of conservation of energy.


8 0
3 years ago
Read 2 more answers
An Autotroph get energy from the sun, not from food.<br> Tue<br> False
kumpel [21]

Answer:

True

Explanation:

8 0
2 years ago
Marge is an ace at tennis. she does not miss a ball! She has great balance and coordination. The part of Marge’s brain that help
Hitman42 [59]
The answer could be B
7 0
2 years ago
Which process results in the production of ammonium?
Pavlova-9 [17]
Nitrogen Fixation. Good luck :)
3 0
3 years ago
Other questions:
  • The color theory that proposed the existence of three different kinds of nerves in the retina, sensitive to red, green, and blue
    10·1 answer
  • Which of the following statements is FALSE?
    13·1 answer
  • Describe how insulation works and the role it plays in keeping our homes at a comfortable temperature.
    14·1 answer
  • During the primary​ assessment, how should you best determine the adequacy of a​ patient's breathing?
    9·1 answer
  • A problem that frustrates attempts to organize the entire living world for study: we don't know how many separate __________ of
    9·1 answer
  • How did the carbon atom get from land plants into the animal?
    9·1 answer
  • The sun is located at one of the two In the shape of earths orbital path
    11·1 answer
  • 4
    9·1 answer
  • What happens to ADP after ATP hydrolysis?
    15·1 answer
  • How are primary and secondary succession similar? a. both primary and secondary succession involve ecosystems that have no soil.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!