What is a dominant gene?



A gene that is identical in most of the world's population.

A gene that does not change from generation to generation.

A gene with a mutation that affects the surrounding genes.

A gene that is always expressed physically when present.

Answers

Answer 1
A gene that is always expressed physically when present
Answer 2

Answer:

1 or A

Explanation:

Don't trust me but that's what i think because dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome. The first variant is termed dominant and the second recessive.


Related Questions

Define ethnicity in your own words best one gets 20 points

Answers

Ethnicity is what makes up who you are

Today the weather is rainy and warm the weather forecast is that it will be cold during the night which will most likely be observed while the front moves through the area

Answers

Fry and clear conditions

identify what soil in aquarium stones represent
ALOT OF POINTS

Answers

aquarium refers to the material used on the tank bottom. It can affect water chemistry, filtration, and the well-being of the aquarium's inhabitants, and is also an important part of the aquarium's aesthetic appeal.

2. In dogs, there is a hereditary type of deafness caused by a recessive gene. Two dogs who carry the
gene for deafness but have normal hearing are mated. What are the possible genotypes and phenotypes o
f their offspring and the percent chance for each?

Answers

Answer:

the Punnet square is

    D     d

D  DD  Dd

d   Dd  dd

the chart is

DD    deafness        25%

Dd     maybe deaf   50%

dd     not  deaf         25%

I'm not 100% sure this is right, but I think it is, hope this helps

Plastic can biodegrade; it breaks down and decomposes easily

True or false

Answers

Answer:

true

Explanation:

it can  but it take up to 1,000 years for plastic to decompose in landfills. The plastic bags we use daily take 10 years to 1,000 years to decompose, while plastic bottles can take 450 years or more.

The process in which plants absorb nitrates through their roots is called
a. nitrification.
b. denitrification.
c. assimilation.
d. ammonification.

Answers

The process in which plants absorb nitrates through their roots is called Nitrification answer is A

Below is a list of supplies available in a laboratory
• four flasks with stoppers
• floodlight
• tap water
• graduated cylinders
• small aquarium plants
• four small fish
• bromthymol blue (a chemical indicator
that changes color from blue to yellow as
the level of carbon dioxide in a solution
increases)
The class sets up an experiment with the four flasks as shown.
Pak 100. www.bymel wee plane
Pak 200w, byl Noe 2 mall fish
Pak 100 m. well bromymel e 2 wall fish plant
Pak 100 m. ll. bromyal blue
Which flasks contain organisms undergoing cellular respiration?
Flask 1, 2 and 3
O Flask 1 and 3
O Flask 2 and 3
O None

Answers

Answer: Flank 1 and 3

Explanation:

The organisms in flask 1 and 3 undergoes cellular respiration.

What is cellular respiration?

Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.

Cellular respiration is the process that occurs in the mitochondria of organisms (animals and plants) to break down sugar in the presence of oxygen to release energy in the form of ATP.

Cellular respiration is used to generate usable ATP energy in order to support many other reactions in the body.

Learn more about cellular respiration:

https://brainly.com/question/29760658

#SPJ2

Why do kokanee salmon spawn only once?

Answers

Answer:

A

Explanation:

Constructing passage ways near the dams to allow to salmon to swim around blocked rivers. The construction of dams in rivers has blocked the path of  some salmons returning to spawning grounds. The best way to overcome this is to make the passage ways near the dams to allow salmons to swim in areas which have blocked due to dams. So that salmons can returned to the spawning ground and can spawn which leads to increase in their population.

Answer:

Salmon change color to attract a spawning mate. Pacific salmon use all their energy for returning to their home stream, for making eggs, and digging the nest. ... Unlike Pacific salmon, Atlantic salmon do not die after spawning, so adults can repeat the spawning cycle for several years.

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