Mitosis And Meiosis Question Preview (ID: 33917)


Mitosis And Meiosis. TEACHERS: click here for quick copy question ID numbers.

What is apoptosis?
a)
b) when the cells kill other cells
c) programmed cell death (cell suicide)
d)

What phase of MEIOSIS does crossing over occur
a) metaphase I
b) prophase I
c) anaphase I
d)

During what phase of MITOSIS does the nuclear membrane start to come back and the chromosomes unwinds
a) telophase
b) metaphase
c) anaphase
d)

During what phase of MITOSIS are the chromatids ripped apart?
a) metaphase
b) anaphase
c) prophase
d) telophase

During what phase of MITOSIS do the chromosomes form?
a) metaphase
b) prophase
c) anaphase
d)

What are the 4 phases in mitosis?
a) prophase, metaphase, interphase, telophase
b) prophase, interphase, anaphase, telophase
c) interphase, metaphase, anaphase, telophase
d) prophase, metaphase, anaphase, telophase

During what phase of MITOSIS do the chromosomes line up in the middle?
a) prophase
b) anaphase
c) metaphase
d) telophase

A cell will spend most of its life in what part of the cell cycle
a) interphase
b) prophase
c) mitosis
d) anaphase

What is the importance of crossing over?
a)
b) It is when the DNA crosses over giving it a double helix shape
c) It mixes the DNA so each sperm and egg have different combinations
d)

What is gen loci?
a)
b) Where a gene is located
c) Where a gene crosses over
d)

What are alleles?
a)
b) Different genes
c) Different versions of a gene
d) Different chromosomes

What are homologous chromosomes?
a) Two of the same chromosomes (example: two chromosome 21's)
b) Two different chromosomes
c)
d)

What is a chromatid?
a)
b)
c) Two chromosomes together
d) Half of a chromosome. Two chromatids make up a chromosome

What is genotype?
a) The physical characteristics you have
b)
c) The GENES that you have. Your gene type.
d)

Which process produces sperm and egg
a) meiosis
b) mitosis
c)
d)

Which process produces gametes (sex cells)
a) mitosis
b) meiosis
c)
d)

What causes cancer?
a) stupidity
b) booze
c) uncontrolled cell cycle aka uncontrolled cell growth
d)

How many pairs of chromosomes are found in most cells in the human body?
a) 23 pairs total of 46
b) 24 pairs total of 48
c)
d)

What happens during the G1 phase of the cell cycle?
a) Cell grows
b) cell formation
c)
d)

Which process produces exact copies?
a) mitosis
b) meiosis
c)
d)

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