Unit 7 Final Exam Review: Genetics and Heredity

Which process and type of resulting cells are represented?

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

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

What is one of the advantages, why is it better to reproduce sexually versus asexually?

• survival of the fittest
• overproduction
• genetic variation
• cloning

The cells produced via meiosis are called:

• sex cells
• somatic cells
• body cells
• skin cells

What is it called when a sperm and egg meet?

• meiosis
• fertilization
• cell division
• mitosis

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

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

What phase is  shown in the picture?

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

What phase is shown here?

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