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puteri [66]
4 years ago
8

Assume that you are studying a trait determined by a number of polygenes. if there are seven phenotypic categories, how many gen

es are probably involved?
Biology
1 answer:
mestny [16]4 years ago
3 0
There should be 3 genes involved in the seven phenotypic categories 
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Can you think of a situation where a high temperature would not result in an increase in photosynthesis?
joja [24]

Nothing can photosynthesize in the night time even if the temperature goes up. But even then temperature has nothing to do with Photosynthesis.

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities.

3 0
3 years ago
Felicity cannot experience fear. if felicity's inability to experience fear is caused by damage to the brain, which area of the
Inga [223]
The are of the brain responsible for fear is called Amygdalae.
8 0
3 years ago
I need to fill the chart in and then answer the questions:
tensa zangetsu [6.8K]

Answer:

1. 100%

2. 0%

3. impossible

All their offspring will have brown eyes because they will all inherit the <u>dominant </u>allele for brown eyes. They will all inherit the allele for blue eyes but since this is recessive they will now show it.

4 0
3 years ago
If two people with sickle cell trait have children, what is thechance that a child will have normal RBCs in both high-and low-ox
Vanyuwa [196]

Answer:

See the answer below

Explanation:

<em>The chance that a child from two people with sickle cell trait will have normal RBCs remains the same irrespective of the amount of oxygen in the environment.</em> From the cross:

                  AS    x    AS

            AA    AS    AS    SS

Hence, the chance of having a child with normal RBCs in both high and low-oxygen environments is 1/4 or 25%.

The chance that a child will have sickle cell disease is also 1/4   or 25%.

The possible genotypes in a Punnet's square can be seen in the attached image

4 0
3 years ago
What are three reasons why nebulae contribute more to stellar formation than other regions of the universe? They are rich in hyd
Alisiya [41]

They are rich in hydrogen and helium, they have unlimited supply of hydrogen, they have a strong gravitational pull.

Explanation:

Space where huge size of gaseous and dust cloud is present is called nebula. It is mainly made of hydrogen and helium. Nebula exist in the space which is between the stars and it is call as interstellar space.

Helix nebula is closest nebula which is near the earth. It’s distance from earth is about 700 light years.

Dark nebulae are very dense as well as cold. Nebula can be divided into dark nebula and bright nebula. The gas which is present between the stars is always combine with solid grains cosmic dust.

4 0
3 years ago
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