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ryzh [129]
3 years ago
5

Why is freckles not X linked dominant trait

Biology
1 answer:
forsale [732]3 years ago
4 0

Answer:

The presence of freckles in a individual, or predisposition to have them, is a trait that is inherited with an autosomal dominant pattern, and is not related to sex-linked inheritance.

Explanation:

Freckles are accumulations of melanin in the skin, which form small reddish or light brown spots, predominantly in white-skinned people.

<u> The melanocortin receptor gene</u> undergoes a change that gives rise to a variant - which is phenotypically expressed in the presence of freckles - whose inheritance has been determined to be autosomal dominant.

<u>Under no circumstances is the transmission of the gene that determines the presence of freckles linked to sex</u>, because is an autosomal trait, as is hair, eye or skin color.

Learn more:

Inheritance of freckles brainly.com/question/9751167

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The genetic material inherited in an organelle, such as a mitochondrion or a chloroplast, exhibits _____ inheritance.
forsale [732]

The genetic material inherited in an organelle, such as a mitochondrion or a chloroplast, exhibits Extranuclear inheritance.

When DNA in cytoplasmic organelles is handed on to offspring, extranuclear inheritance occurs. Cytoplasm can be found in both sperm and ovum cells in humans. Most of the extranuclear DNA formed when the sperm and ovum combine belongs to the mother. The organelles in the fertilized cell expand and divide as the fertilized egg grows. As a result, each new cell receives mtDNA, which likewise divides and is passed on. As a result, each child inherits mtDNA from the mother. The identical procedure takes place in creatures with cells that contain chloroplasts.

Nuclear DNA differs greatly from extranuclear inheritance in several ways.

  1. Chloroplasts and mitochondria both store several copies of DNA. Additionally, the cytoplasm of every cell contains a number of each organelle, occasionally thousands.
  2. In a cell's cytoplasm, chloroplasts and mitochondria are dispersed at random. There is a random distribution of amount in both daughter cells after cell division, whether it be through mitosis or meiosis.

To learn more about inheritance visit the link:

brainly.com/question/12206571?referrer=searchResults

#SPJ4

8 0
2 years ago
If you have an idea to improve a complex software process at work, what is the most effective way to communicate this idea?
ludmilkaskok [199]

Answer: Option D

Explanation:

If there is a certain idea regarding any process which can be improved then the thought to improve it should be first shared with the boss of the company.

Firstly, the person sharing the thought should himself be sure about the thought that he is going to present in front of the boss.

The thought regarding the improvement of the software process should be first written in an organized way and presented to the boss.

7 0
3 years ago
Which virus transmission rate is calculated in this study
Anna [14]

is there more information?

7 0
3 years ago
What best describes plant classification
melisa1 [442]
Plants can be classified as grasses, herbaceous plants, woody shrubs, and trees.
4 0
3 years ago
What type of families animals are in the taxonomy cards
lana [24]

Answer:

Explanation:1. smallest unit of classification

2. segmented digestive system, appendages

3. largest phylum of animals

4. green, conductive tissue, seeds, flowers

5. classification

6. groups of families

7. largest division of plants

7 0
3 years ago
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