Summative Review (Meiosis-Pedigrees)

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

• homozygous 
• asexual
• homologous
• genes

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

What causes genetic variation in meiosis?

• chromosomes lining up
• crossing over of chromosomes
• separation of chromosomes
• chromosomes pulling apart

Crossing over helps promote 

• male genotype
• genetic variation
• DNA replication
• mitosis

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Diploid Cells are represented by

• 2n
• n
• 4n
• 1/2 n

What phase is  shown in the picture?

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

The process of crossing over occurs in what phase of meiosis?

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

What phase is shown here?

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

What phase is shown here?

• Telophase II
• Anaphase II
• Metaphase I
• Interphase I