Meiosis

A cat has a total of 40 chromosomes in its body cells. How many in its sex cells?

• 38

• 20

• 76

• 10

The process of crossing over occurs in what meiotic phase?

• anaphase 1
• prophase 1
• prophase 2
• telophase 1

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

• homozygous 
• asexual
• homologous
• genes

In humans, sperm cell have ___________ chromosomes and are ___________________, while skin cells have _____________ chromosomes are are diploid.

• 23. haploid. 46 diploid

• 46. haploid. 23. diploid

• 23 diploid. 46 haploid

• 46. diploid. 23. haploid.

Tags

NGSS.HS-LS3-2

Crossing over helps promote ?

• male genotype
• genetic variation
• DNA replication
• mitosis

Tags

NGSS.HS-LS4-2

You get one homologous chromosome from your ________ and one from your _______.  

• dad, mom
• brother, sister
• grandmother, grandfather
• dog, cat

Tags

NGSS.HS-LS3-1

The purpose of meiosis is to form ________ cells.

• body
• sex
• somatic
• brain

Tags

NGSS.MS-LS3-2

What phase is  shown in the picture?

• anaphase 1
• anaphase 2
• metaphase 1
• telophase 1

Tags

NGSS.HS-LS1-4

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

What phase is shown here?

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

Tags

NGSS.HS-LS3-2