Meiosis, Protein Synthesis, & Mutations

What phase of meiosis is this cell in?

• interphase

• metaphase I

• metaphase II

• anaphase I

What phase of meiosis is this cell in? (hint: look at what is moving)

• anaphase I

• metaphase II

• prophase I

• anaphase II

How many total chromosomes do human somatic cells have?

• 2

• 23

• 46

• 3

How many chromosomes do human sperm/egg cells each have?

• 2

• 23

• 46

• 3

Where does meiosis happen in the body?

• ovaries/testes

• skin

• heart

• liver

Once you reach the end of meiosis I, are the cells diploid or haploid? (HINT: have you reduced the chromosome #?)

• diploid

• haploid

• I don't know :-(

Are sperm cells haploid or diploid?

• diploid

• haploid

• I don't know :-(

When does the DNA copy itself?

• before the start of mitosis

• before the start of meiosis I

• only during interphase

• all choices are correct

When a sperm cell and an egg cell fuse together it is called?

• mitosis

• meiosis

• nondisjunction

• fertilization

After fertilization, what do we call the fertilized egg?

• sperm

• zygote

• egg

• gamete