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infer which sex chromosomes determines a person's sex.

Sagot :

barramedasm

Answer:

The sex chromosomes X and Y determines a person's sex.

Explanation:

Chromosomes

The word chromosome came from Greek terms chroma and soma. Chroma means color, and soma means body Scientists coined this name to chromosomes because in the field of research, they put stain to these cell structures (chromosomes) with strong colorful dyes.

Looking in a microscope, Chromosomes are thread-like structures that can be found inside the nucleus of animal and plant cells. Each of them is made up of protein and a single molecule of deoxyribonucleic acid (DNA). DNA is passed from parents to offspring, and contains the specific instructions that make each type of living creature unique.

Sex Chromosomes

A normal human have a total of 46 chromosomes. In this 46, there exist a pair of sex chromosomes . The sex chromosomes are called the X and Y chromosome. They are combined together and this combination (combination of X and Y; either XX or XY) determines a person's sex. Human females have two X chromosomes (XX) while the human males possess the combination of X and Y (XY).

Anomalies in Sex Chromosomes (Genetic conditions)

  • Turner Syndrome - condition where a female is missing an X chromosome; total number of chromosome is 45 only
  • Triple X syndrome or Trisomy X - condition where an extra X chromosome on a cell of a female is present; total chromosome count is 47
  • Klinefelter syndrome - condition where males have an excess X chromosome (XXY); total chromosome count is 47

Learn more about DNA here: https://brainly.ph/question/259964

Read more about chromosomes here: https://brainly.ph/question/274613

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