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Understanding Human Genetics: Chromosomes, Karyotypes, and Sex Determination

Learn about the role of chromosomes in genetics, karyotype analysis, and how sex is determined in humans. Discover the significance of diploid conditions and the composition of sex chromosomes.

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Understanding Human Genetics: Chromosomes, Karyotypes, and Sex Determination

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  1. Bell Ringer : p.118 Most human cells contain 46 chromosomes(23 pairs) This is known as the diploid condition (2N).

  2. Bell Ringer (p.122)

  3. Bell Ringer (p.103) A human individual’s sex is determined by sex chromosomes and the genes that they carry. List the sex chromosome composition of males and females below. males females

  4. Bell Ringer • A karyotype is a picture of human chromosomes arranged in homologous pairs by size. • A normal human karyotype should have chromosomes arranged into pairs. Pair # 23 are sex chromosomes: Males Females

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