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Study guide: Ch 4: Due Thursday (Test Friday)
1:What is the blood type of a child born to two parents with the genotypes
IAIA and IBIB for blood type?
2: A carrier is a person who has__________________________________
3: What controls variations in skin color among humans?
4:How does geneticist use pedigrees?
5:What must occur for a girl to be colorblind?
6: Which trait is controlled by a gene with multiple alleles?
7:Genetic disorders are caused by?
8:Cloning results in two organisms that are _________
9:What is a pedigree?
10:Which genetic disorder produces unusually thick mucus in the lungs and
intestines?
11:Sex linked genes are genes on_____________
12:Which form of selective breeding crosses parents with the same or
similar sets of alleles?
13:Why are sex-linked traits more common in male than females?
14:No two people have the same DNA except for
15: What procedure helps doctor diagnose a genetic disorder before a baby
is born?
16: Down syndrome most occurs when?
17: Which combination of sex chromosomes results in a male human being?
18:What is the purpose of the Human genome project?
19:What is a genome?
20:How do police use DNA fingerprinting to solve the crimes?
22:What is a Karyotype?
23:What factors can affect a person’s height?
25:Which genetic disorder results in abnormally shaped blood cells?
26:Which human trait is altered by variations in the environment?
27:Hemophilia is caused by?
28:Why does height in human have such a wide variety of phenotype?
29: How can genetic counselors predict genetic disorders?
30: Which form of selective breeding crosses genetically different
individuals to keep the best traits of both parents?
31: Practice drawing Pedigree (Case Study 1) on page 130.