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Questions and Answers
A person's karyotype can show individual DNA strands.
A person's karyotype can show individual DNA strands.
False (B)
Down syndrome is caused by a missing copy of chromosome 21.
Down syndrome is caused by a missing copy of chromosome 21.
False (B)
Humans have 22 pairs of sex chromosomes.
Humans have 22 pairs of sex chromosomes.
False (B)
Nondisjunction occurs during mitosis.
Nondisjunction occurs during mitosis.
A karyotype can show the order of DNA bases.
A karyotype can show the order of DNA bases.
Chromosomal abnormalities occur due to errors during meiosis.
Chromosomal abnormalities occur due to errors during meiosis.
Individuals with Trisomy 13 often have slow growth before birth.
Individuals with Trisomy 13 often have slow growth before birth.
Males with Klinefelter Syndrome have one extra Y chromosome.
Males with Klinefelter Syndrome have one extra Y chromosome.
Turner Syndrome is the only monosomy compatible with life.
Turner Syndrome is the only monosomy compatible with life.
Mutations can only be harmful to an organism.
Mutations can only be harmful to an organism.
Point mutations involve changes in the structure of chromosomes.
Point mutations involve changes in the structure of chromosomes.
Deletion in chromosomal mutations refers to adding extra copies of genes.
Deletion in chromosomal mutations refers to adding extra copies of genes.
Mutations can be passed down to offspring if they are present in somatic cells.
Mutations can be passed down to offspring if they are present in somatic cells.
Sickle cell anemia is an example of a beneficial mutation.
Sickle cell anemia is an example of a beneficial mutation.
Trisomy 18 is also known as Jacob's Syndrome.
Trisomy 18 is also known as Jacob's Syndrome.
Klinefelter Syndrome causes individuals to have low testosterone levels.
Klinefelter Syndrome causes individuals to have low testosterone levels.
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