Meiosis

Unlike mitosis, meiosis in male mammals results in the formation of

• one haploid gamete
• three diploid gametes
• four diploid gametes
• four haploid gametes

Tags

NGSS.HS-LS3-2

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

• 18
• 9
• 27
• 36

Tags

NGSS.HS-LS3-2

If a body cell in a butterfly contains 24 chromosomes, a butterfly egg would contain

• 3
• 6
• 12
• 24

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

Tags

NGSS.HS-LS3-2

Identify the phase.

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

Tags

NGSS.HS-LS1-4

How many cells are produced during telophase I ?

• 4
• 8
• 2
• 0

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

Why do we need meiosis?

• To double the number of chromosomes going into sex cells
• To halve 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

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Tags

NGSS.HS-LS3-2

Human eggs and sperm are _____, and each has ____ chromosomes.

• diploid, 23
• diploid, 46
• haploid, 23
• haploid, 46

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1