MITOSIS AND
MEIOSIS QUICK
REVIEW
WHICH KINDS OF CELLS ARE
DIPLOID?
Somatic or Body Cells
HOW MANY DAUGHTER CELLS ARE AT
PRODUCED AT THE END OF MITOSIS?
Two Cells
HOW MANY CHROMOSOMES ARE IN EACH
DAUGHTER CELL AT THE END OF
MITOSIS?
46 chromosomes
A ______ IS CREATED WHEN A
SPERM ENTERS AN EGG
• zygote
THE EXCHANGE OF GENETIC MATERIAL
THAT OCCURS DURING PROPHASE I OF
MEIOSIS IS CALLED _______
Crossing- Over
THE HIGHER THE CHROMOSOME NUMBER,
THE MORE COMPLEX AN ORGANISM IS:
TRUE OR FALSE
False
ANOTHER NAME OF A CELL THAT CAN BE
REPRESENTED BY N OR 1N IS KNOWN AS
A ________ CELL
Haploid
DURING MEIOSIS, DNA WILL REPLICATE
BEFORE THE FIRST DIVISION OF MEIOSIS
AND BEFORE THE SECOND DIVISION OF
MEIOSIS: TRUE OR FALSE
FALSE: It will only replicate before the first
division! If it replicates before both divisions the
chromosome number will never be cut in half.
THE 22 PAIRS OF HOMOLOGOUS
CHROMOSOMES THAT MAKE UP
CHARACTERISTICS THAT ARE NOT SEX
SPECIFIC ARE KNOWN AS _____
Autosomes
WHICH PHASE OF MITOSIS IS WHEN
SISTER CHROMATIDS ALIGN AT THE
EQUATOR?
Metaphase
WHAT IS ANOTHER NAME FOR AN EGG
CELL?
Ootid or Ovum
WHICH PHASE OF MEIOSIS
REPRESENTED BELOW?
Prophase I
IF A SOMATIC CELL IN AN ORGANISM
CONTAINS 14 CHROMOSOMES, HOW
MANY CHROMOSOMES WILL BE IN THE
EGG CELL OF THAT ORGANISM?
7 chromosomes
- Gametes have HALF the number of chromosomes
that the body cell has
DURING WHICH PHASE OF MEIOSIS DO
PAIRS OF HOMOLOGOUS CHROMOSOMES
ALIGN AT THE EQUATOR?
Metaphase I
CELLS THAT ARE FORMED IN THE
REPRODUCTIVE ORGANS ARE KNOWN AS
______
Germ Cells
THE MIDDLE SECTION OF A
CHROMOSOME IS KNOWN AS THE
__________
Centromere
THE IMAGE BELOW REPRESENTS
WHICH PHASE OF MEIOSIS?
Telophase
II
WHICH TWO LETTERS REPRESENT A
FEMALE?
XX
IF A PERSON HAS THE CHROMOSOMAL
MUTATION XXY WHAT SYNDROME DO
THEY HAVE?
Klinefelter’s Syndrome