Genetics Review

A new organism is produced from one parent organism.

• Sexual Reproduction
• Asexual Reproduction

How many chromosomes does a human cell have?

• 42
• 46
• 24
• 64

How many daughter cells are produced in mitosis?

• 1
• 2
• 4
• 6

Sexual reproduction requires _____ parents and asexual reproduction requires ___ parents

• 1,1
• 2,2
• 2,1
• 1,2 

California blackworms, also known as mudworms, are able to break apart. Each body section that broke apart is able to become an identical new worm. What type of reproduction does this example represent?

• Sexual reproduction

• Asexual reproduction

The genetic instructions are found in ---- within the DNA

• traits
• chromosomes
• genes
• DNA

What percentage of chromosomes are handed down by a sperm cell?

• 75%
• 25%
• 50%
• 100%

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