Karyotypes, Pedigrees and Sex Linkage

How many pairs of chromosomes are normally found in a human cell?

• 23 pairs

• 22 pairs

• 24 pairs

• 21 pairs

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the chromosomes numbered from 1 to 22 known as?

• Sex chromosomes

• Autosomes

• Haploid chromosomes

• Diploid chromosomes

What is a genome?

• A single gene within an organism

• A type of protein

• The full set of genetic information for an organism

• A genetic disorder

Tags

NGSS.HS-LS1-1

What does a karyotype show?

• The complete set of proteins in a cell

• The sequence of genes on a chromosome

• Sets of chromosomes grouped in pairs

• The types of cells in an organism

How are chromosomes numbered in a karyotype?

• By their function

• By their size

• By their gene density

• By their color

What does the last set of chromosomes in a karyotype represent?

• Autosomes

• Mitochondrial DNA

• Sex chromosomes

• Non-coding DNA

Tags

NGSS.HS-LS3-1

Which of the following represents a female karyotype?

• XY

• X

• XX

• YY

Which of the following represents a male karyotype?

• XX

• YY

• X

• XY

Tags

NGSS.HS-LS3-1

What are matching sets of chromosomes called?

• Homologous pairs

• Chromosome mapping

• Alleles

• Genomic sequencing

Tags

NGSS.HS-LS3-1

What is nondisjunction as it occurs during meiosis?

• The normal separation of chromosomes during cell division

• The failure of homologous chromosomes to separate properly during meiosis

• The duplication of chromosomes during interphase

• The exchange of chromosome segments between non-sister chromatids during meiosis