How Can Mendel'S Principles Be Used To Study Human Traits

Question: Widow’s Peak

Answer: hairline with a downward point,

autosomal dominant trait.

Question: sex-linked disorder depends on both

Answer: sex of the child and the parent carries the disorder-causing allele.

Question: Hemophilia

Answer: lack of proteins needed for blood to clot.

recessive sex-linked.

Question: Pedigree

Answer: A chart for tracing genes in a family

Question: Colorblindness

Answer: sex-linked recessive

Question: Karyotype

Answer: a picture of all the chromosomes in a cell.

used to study human chromosomes.

Question: Down Syndrome (Trisomy 21)

Answer: a person has an extra copy of at least part of chromosome 21

Question: Deletion

Answer: lose of part of a chromosome

Question: XYY syndrome

Answer: male has an extra Y chromosome

Question: Human Genome Project

Answer: an international study of the entire human genetic material

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