Meiosis 2

After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.

• 78
• 39
• 23
• 46

Tags

NGSS.HS-LS3-2

Which of the following cells is a gamete?

• egg
• bone
• heart
• muscle

Tags

NGSS.HS-LS3-2

The fertilized egg is termed a/an _____.

• gamete
• allele
• homolog
• zygote

Which process and type of resulting cells are represented?

• mitosis, gametes
• mitosis, body cells
• meiosis, gametes
• meiosis, body cells

Tags

NGSS.HS-LS3-2

NGSS.HS-LS1-4

Which best describes the process shown?

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

Tags

NGSS.HS-LS1-4

Based only on the sex chromosomes in typical human egg and sperm cells at fertilization, the probability of producing a female is

• 25%
• 50%
• 75%
• 90%

A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

Tags

NGSS.HS-LS3-1

When chromosomes fail to separate correctly during anaphase of meiosis, what can occur?

• extra chromosomes are found in the sex cell
• chromosomes of the sex cell are doubled
• chromosomes of the sex cell are halved
• meiosis never completes

Tags

NGSS.HS-LS3-2

Down's syndrome occurs because of a(n)

• missing sex chromosome
• extra sex chromosome
• additional 21st chromosome
• additional 18th chromosome

Tags

NGSS.HS-LS3-1

What would you call the failure of one or more pairs of homologous chromosomes or sister chromatids to separate normally during meiosis?

• nondisjunction

• anaphase I

• nondiploidy

• karyotype

Tags

NGSS.HS-LS3-2