Multiple Choice
If a genetic counselor was examining a pedigree chart and noticed an occurrence of a disease in every generation, the counselor would most likely assume that the disease was caused by:
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29. Heredity
Genetic Disorders
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A karyotype is a complete __________.
A
haploid complement display of chromosomes
B
diploid complement display of homologous chromosome pairs
C
display of sex hormones
D
display of autosomes
Verified step by step guidance1
Understand the term 'karyotype': A karyotype is a visual representation of an individual's complete set of chromosomes.
Identify the key characteristics of a karyotype: It includes all chromosomes in a cell, organized in pairs, and is typically used to look for chromosomal abnormalities.
Recognize the difference between haploid and diploid: Haploid refers to a single set of chromosomes (n), while diploid refers to two sets of chromosomes (2n), one from each parent.
Focus on the term 'homologous chromosome pairs': In a diploid organism, chromosomes are arranged in pairs, with one chromosome of each pair inherited from each parent, making them homologous.
Conclude that a karyotype is a 'diploid complement display of homologous chromosome pairs', as it shows all pairs of chromosomes in a diploid cell.
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