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aleksley [76]
3 years ago
13

In Klinefelter syndrome males have chromosomes XXY. This is an example of:

Biology
1 answer:
Nookie1986 [14]3 years ago
8 0
This is an example of non-disjunction of sex chromosomes, The correct option among all the options that are given in the question is the first option or option "A". The other choices in the question are incorrect and can be neglected. I hope that this is the answer that has actually come to your desired help.
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From one original cell, four genetically unique daughter cells, each with 23 nonreplicated chromosomes, are produced at the conc
lukranit [14]

Answer:

True

Explanation:

Meiosis is a type of cell division that occurs in gametic cells. In this cell division, one cell is divided into four cells and the chromosome number is reduced to half therefore it is also called reduction division.

During meiosis crossing over occurs between homologous chromosomes that allow the exchange of genetic material between them that results in the formation of genetically unique daughter cells.  

In spermatogenesis during the first meiosis division, the homologous chromosomes get separated into two daughter cells reducing the chromosome number by half and during second meiotic division sister chromatids separate into two more cells. Therefore four genetically different cells are generated.

3 0
3 years ago
Calcification, or ____________ , then occurs when ____________ crystals deposit in the bone matrix.
Marizza181 [45]

Answer:

Calcification, or mineralization, then occurs when hydroxyapatite crystals deposit in the bone matrix.

Explanation:

Calcification -

It is the situation of the accumulation of the salts of calcium in the tissues of the body , is known as Calcification .

This process usually occurs during the bone formation , but in abnormal condition the soft tissues of the body gets harden , leading to the situation of Calcification  , it is also known as mineralization .

The crystal deposited are of hydroxyapatite in the bone matrix .

4 0
4 years ago
Your best friend comes to you with a problem he is not doing well in school because he has too much going on after school he wan
igomit [66]

Answer:

He could create a schedule, block the extra things they do that isn't necessary, or even take a few breaks. When you take a break you relax your mind, and when you do that you stress less so you can be more productive.

Hope this helps and have a great day!

7 0
3 years ago
Explain biomagnification
IrinaK [193]
There's an excess of Phosphorus in soil, the plants consume it, then the primary consumers consume multiple plants, and have a higher level of phosphorus concentration in them. Then secondary consumers consume multiple primary consumers and the phosphorus from all the things they ate are concentrated in them, and so on. Basically, even though as energy is passed along the food chain, it lessens with each trophic level, nutrients become more concentrated and the highest trophic level has the highest concentration because of how many organisms were consumed.
7 0
3 years ago
WILL GIVE BRAINLIEST!
erik [133]

Answer:

Your answers are gonna be Rabbits and Rodents, Crocodiles, Primates and Amphibians.

Explanation:

I hope this is correct and sorry if its not.

6 0
3 years ago
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