Bio 7.4 Human Genetics and Pedigrees

What term describes a chart showing all the chromosomes in a cell?

• pedigree

• Punnett square

• linkage map

• karyotype

Can a male be a carrier for hemophilia?

• No, he cannot be a carrier because he has only one x chromosome.

• No, he cannot be a carrier because he has only one Y chromosome.

• Yes, he can be a carrier because he has both an x and Y

  chromosome.

• Yes, he can be a carrier because he has two x chromosomes.

Tags

NGSS.HS-LS3-1

Which genetic disorder is sex-linked?

• sickle-cell disease

• Huntington's disease

• hemophilia

• cystic fibrosis

What does an open square represent in a pedigree?

• a male with the phenotype

• a male without the phenotype

• a female without the phenotype

• a female with the phenotype

What must be the genotype of a colorblind female?

• X^MX^M

• X^MX^m

• X^mX^m

• X^mX^M

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2