1.Which of the following happens during prophase II?
A.crossing over
B.sister chromatids split at the centromere
C.nuclear membrane disintegrates
D.homologous chromosomes pair up

2.Which of the following occurs during prophase I?
A.chromosomes condense
B.nuclear membrane disintegrates
C.synapsis
D.all of these

3.When do sister chromatids separate during meiosis?
A.anaphase I
B.anaphase II
C.prophase I
D. telophase II

4.During which stage does the number of chromosomes become half?
A.prophase I
B.telophase I
C.anaphase I
D.telophase II

5.Chromosomes that contain the same genes are called?
A.heterologous chromosomes
B.autosomal chromosomes
C.sister chromatids
D.homologous chromosomes

6.Which of the following is a function of meiosis?
A.replacement of worn out cells
B.growth
C.repair
D.none of these

7.How many chromosomes are found in a normal gamete?
A.1
B.23
C.46
D.3billion

8.Which of the following is true concerning oogenesis?
A.meiosis produces only three cells
B.it occurs in the uterus
C.it is completed at birth
D.none of these are true

9.Independent assortment of alleles occurs because of which of the following?
A.crossing over
B.random alignment of chromosomes on the equator during metaphase I
C.random alignment of chromosomes on the equator during metaphase II
D.A and B

10. What do mitosis and meiosis have in common?
A.reduction of the chromosomes number in half
B.same order and similar events during meiosis II
C.production of gametes
D.crossing over


Pa sagot po ng tama salamat シ