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Anni [7]
4 years ago
12

Explain when changes in dna do and don't affect phenotypes

Biology
1 answer:
BabaBlast [244]4 years ago
6 0
Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.
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Which of the following might trigger erythropoiesis?
BabaBlast [244]
B) Hypoxia of EPO-producing cells
5 0
3 years ago
In cats, coat color is an X-linked trait with incomplete dominance. Yellow coat is caused by the allele XT and black coat by the
natulia [17]

Answer:

The correct answer is - XTXt

Explanation:

In the question, it is given that in cats the coat color is an X-linked trait that shows incomplete dominance if present in heterozygous condition.

The allele for yellow allele = XT (it is dominant allele)

The allele for black coat = Xt (it is recessive allele)

The amle cat can not show the heterozygous condition or tortoise coat as they have only one X chromosome so they will be either yellow coat cats or black coat cats.

In female cats the tortoise coat will show when the both allele present together: XTXt due to their incomplete dominance.

8 0
3 years ago
For a circular or square patch of habitat, the ratio of edge habitat to interior habitat __________ as the size of the patch dec
kompoz [17]

Answer:

increases

Explanation:

Habitat is defined as a particular environment where a group of organisms normally lives. Some examples of habitat include, among others, forests, deserts, lakes, grasslands, etc. Moreover, an edge habitat refers to a habitat area that is in contact with another. This part of the habitat has ecological importance because it is used by many species in order to find food, refuge and rest. In the question above, it is expected that a greater number of smaller habitats increase edge habitat surface area when compared to the interior habitat area. The ratio between the edge habitat surface area and total habitat area may have a huge impact on entire ecosystems.

7 0
3 years ago
What is the relationship between genes, dna, and cells as the basic unit of structure and function in living organisms?
Likurg_2 [28]

All living things have cells with DNA that contains genes which has genetic codes for all cell structures and determines which functions cells should perform to help the organism live.

I found a quizlet with that question on it if interested!

https://quizlet.com/90545525/ap-bio-chapter-1-evolution-the-themes-of-biology-and-scientific-inquiry-flash-cards/

6 0
3 years ago
Explain how fitness and health maintenance result in a longer human life span
guapka [62]
Because if you take care of your body/organs by exercise and good diet then your bidy will stay healthy without sickness which results in longer life span
6 0
4 years ago
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