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lyudmila [28]
3 years ago
11

You are monitoring a quantitative trait in a population of butterflies over multiple generations. Your professor tells you that

the trait is evolving by natural selection in this population. However, there is no change in mean fitness over time. What type(s) of selection could be occurring in this population and how could you tell what type of selection is happening
Biology
1 answer:
8090 [49]3 years ago
3 0

Answer:

In the given population, epistasis or frequency-dependent selection would have been taking place. In frequency-dependent selection, selection of a genotype relies upon its frequency in population. It is further divided into two types, that is, positive and negative frequency-dependent selection.  

In negative frequency-dependent selection rare genotypes are selected, while in positive frequency-dependent selection more common genotypes are selected. The other possibility is epistasis, in which the fitness of genotypes relies upon the non-additive influences over the multiple loci.  

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Someone Plz Help me :)
Sati [7]

Answer:

part a

A= Tt

B=tt

part b

offspring a

genotype= TT&Tt, phenotype=tongue rolling

offspring b

genotype=Tt phenotype= tongue rolling & genotype tt phenotype= unable to roll tongue

4 0
2 years ago
Two geological features that make the state of Florida very fragile to environmental problems are:
Anastasy [175]

2 geological features of Florida state making it fragile is the Everglades and its bio-diverse nature.

Explanation:

The Florida state is one of three Everglades in the world to be marked as such due to its tendency of being in drought condition all the time due its draining capacity and location in its southernmost parts.

The other environmental condition which the state faces, is the bio-diverse nature of the state. It has endangered species population of cougar. It has been marked as the protected area for the panther species. Alligators too have been listed in the state for the endangered kind. Rest fills up the circuity of the state.

3 0
3 years ago
The____ is the section of the rainforest that is too dark for most plant life.(write response, no opinion choices)
AveGali [126]

Answer:

Forest floor

Explanation:

Tropical rainforest is characterized by high rainfall that allows a diverse growth of plant species. The different species of plants and animals species that make up a rainforest are found in different layers. There are four layers or sections in the rainforest from top to bottom viz: emergent layer, canopy, understory and forest floor.

Since the layers are classified from top to bottom, each layer receives different amount of rainfall and sunlight. According to the question, the FOREST FLOOR receives the least amount of sunlight making it the darkest section of the rainforest. Due to the inhibited penetration of sunlight into this layer, it usually does not support any plant growth.

5 0
3 years ago
When did oxygen begin to accumulate in the atmosphere
oee [108]

Answer:

2.33 billion years ago.

Explanation:

Hope this helps <3

4 0
2 years ago
Read 2 more answers
At which time of year would mitosis in a plant occur most frequently? Explain why?
faltersainse [42]

Answer:

it would be based on the most common prophase time of year is.

Explanation:

I don't know to be honest.

7 0
3 years ago
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