Fall 2020 Q2 Benchmark review

Is the following cell diploid or haploid?

• Diploid

• Haploid

Tags

NGSS.MS-LS3-2

What phase is shown here?

• Prophase II
• Metaphase I
• Metaphase II
• Anaphase I

Tags

NGSS.HS-LS3-2

How many total chromosomes are in this cell?

• 1

• 2

• 3

• 6

• 12

Why do we need meiosis?

• To double the number of chromosomes going into sex cells

• To reduce to half the number of chromosomes going into sex cells

• To triple the number of chromosomes going into sex cells

• To not change the number of chromosomes going into sex cells

Tags

NGSS.HS-LS3-2

What is the primary cause of genetic variation during meiosis?

• chromosomes lining up

• "crossing over" of chromosomes

• separation of chromosomes

• chromosomes pulling apart

Tags

NGSS.HS-LS3-2

This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?

• segregation of sister chromatids
• condensation and segregation of alleles
• mutationin which the DNA content of the gene is altered
• crossing - over in which alleles are exchanged

Tags

NGSS.HS-LS3-2

The failure of one or more pairs of homologous chromosomes or sister chromatids to separate "normally" during meiosis is called _____________________.

• nondisjunction

• anaphase I

• nondiploidy

• karyotype

Tags

NGSS.HS-LS3-2

A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called

• sister chromotids
• centromeres
• homologous chromosomes
• autosomes

Tags

NGSS.HS-LS3-1

If the Diploid number of Carrots is 18, the haploid number is

• 18
• 9
• 27
• 36

Tags

NGSS.HS-LS3-2

Which strand of DNA is complementary to this sequence:

TAC GTC TTG

• TTG AAC TAC

• ATG CAG AAC

• TTG GTC TAC

• TAC GTC TTG