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Cerrena [4.2K]
3 years ago
14

What is chromosomes

Biology
2 answers:
vovikov84 [41]3 years ago
7 0

A chromosome is a Deoxyribonucleic acid molecule with part or all of the genetic material of an organism.

Lerok [7]3 years ago
4 0

Answer:

Chromosome is the compact form of genetic material(DNA) present in the nucleus of a cell. These chromosomes are a combination of proteins and DNA. These chromosomes carry our hereditary material in the form of genes.

Each chromosomes carry many genes which are transferred to the next generation. Each chromosome divides into the S- phase and they become compact during the mitosis phase.  

Chromosomes can be seen under the microscope in the metaphase stage of cell cycle. 23 pairs of chromosomes are present in each cell out of which 22 are autosomes and 23rd is the sex chromosome.  

These sex chromosomes is different in both male and female because females have two X chromosomes and male have one X and one Y chromosome as sex chromosome.

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The question is incomplete as it lacks multiple options. The complete question is as follows:

A 14-year-old survived a house fire in which a younger sibling died. What assessment finding would support a diagnosis of posttraumatic stress disorder (PTSD)?

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The adolescent idealizes the relationship that the adolescent had with the sibling

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Answer:

The adolescent expresses intense guilt for the inability to save the sibling.

Explanation:

PTSD (posttraumatic stress disorder) may be defined as the medical condition in which the mental health of individual is affected by the traumatic past experiences.

This disorder causes depression and long term mental disorder. The individual might experiences frequent night mares and uncontrollable thoughts. The   14-year-old child has intense guilt that he was unable to save his brother that might cause  posttraumatic stress disorder.

Thus, the correct answer is option (1).

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