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Nataliya [291]
3 years ago
11

What role does DNA play in the expression of traits

Biology
1 answer:
larisa [96]3 years ago
4 0
DNA codes for specific proteins which will determine what traits are expressed.
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2.
Andrej [43]

Answer:

it provides energy to the body.

4 0
2 years ago
Read 2 more answers
Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
LiRa [457]

The right answer is inversion.

Inversion is a genetic mutation characterized by the end-to-end reversal of a portion of chromatid on a chromosome.

In other words, it is a double break then it is replaced after rotation of 180 ° of a chromosome segment (backward insertion).

We distinguish :

Paracentric inversions:  The centromere in the chromosome is not included in the inversion.

Pericentric inversions:  The centromere is included in the inversion which transforms a metacentric chromosome into an acrocentric chromosome.

8 0
3 years ago
Read 2 more answers
Help Please
seropon [69]

Answer:

D. the tendency of a cell to maintain a stable internal environment

Explanation:

3 0
3 years ago
The carrying capacity of the environment for a species is determined by Question 5 options: the reproductive rate of the organis
muminat

Complete Question:

The carrying capacity of the environment for a species is determined by:

options:

(a) the reproductive rate of the organism.

(b) the number of organisms of that species.

(c) the state and national wildlife laws pertaining to that species.

(d) the age distribution of that species.

(e) the limited availability of renewable resources in the environment and the environmental resistance to the biotic potential of the organism.

Answer: (e) the limited availability of renewable resources in the environment and the environmental resistance to the biotic potential of the organism.

Explanation: The carrying capacity refers to the highest number of the species that the environment can cater for, in terms of food, space and other necessities that supports life.

Thus, the available of renewable resources (i.e resources that can be reused after consumption e.g water) in the environment, plays as a determinant of the highest number of individuals an environment can support (carrying capacity).

Furthermore, environmental resistance to the biotic potential of the organism, is also a determinant of the carrying capacity of organisms inhabiting that particular environment.

6 0
3 years ago
Read 2 more answers
What is the importance of decomposers to a food web an there interaction with quatinary consumers
mr Goodwill [35]
Decomposers eat dead remains of organisms that are quaternary consumer (no one eats them while alive). So, they break these down and therefore turn into nutrients in the soil for plants to use. 
6 0
3 years ago
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