Sexual Reproduction Pre-test

A sperm and an egg join together in a process called

• mitosis

• meiosis

• fertilization

• fission

The genome of a goldfish contains 96 chromosomes. How many chromosomes will each daughter cell have after mitosis of a goldfish cell is complete?

• 24

• 48

• 96

• 192

CROSSING OVER INCREASES

• LIFE SPAN

• GENETIC VARIATION

• THE NUMBER OF OFF-SPRING

• ALL ARE TRUE

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

• homozygous 
• asexual
• homologous
• genes

Check all that apply: Reproductive cells are. . .

• Haploid

• Somatic

• Gametes

• Identical

• Diverse

NORMAL HUMANS HAVE 46 CHROMOSOMES, HOW MANY WILL THE GERM CELLS HAVE AFTER MEIOSIS?

• 46

• 23

• 12

• 92

What causes genetic variation in meiosis?

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

Asexual reproduction and mitosis occur in...

• Body Cells
• Sex Cells or Gametes

Before mitosis or meiosis can begin, DNA must go through Interphase. This is when...

• DNA replicates
• DNA splits
• DNA forms chromosomes
• Chromosomes cross over

In mitosis, the two resulting cells are

• different from the starting cell and identical to each other.
• different from the starting cell and different from each other.
• identical to the starting cell and different from each other.
• identical to the starting cell and identical to each other.