Study Questions Chapter 13 Meiosis
01. How many times does cytokinesis occur in reproductive cell division?______________
02. Females have a homologous pair of sex chromosomes which are ________.
03. What is the haploid number of chromosomes in humans?__________
04. In humans, female ova production is halted in ______________________ , if fertilization
occurs the cell with continue the division process.
05. The ____________________ number (46 for Humans) is also known as the 2n number.
06. Meiosis I is also called ________________________division because the 2n is divided to
form the n chromosome number.
07. Homologous chromosomes _______________ or pair during prophase I to form a tetrad.
08. How many nuclear chromosomes do humans have? ____________
09. Matching pairs of chromosomes are called __________________________.
10. Most spontaneous abortions or miscarriages are due to __________________________.
11. __________________________ are all the chromosomes except the sex chromosomes.
12. Reproductive cell division results in the production of _____________ haploid gametes
that are all genetically different.
13. When a zygote is formed it contains two sets of chromosomes, one from the male parent
and one from the female parent. This is called the __________________number or 2n.
14. A zygote is formed by the union of a _________________ and ________________.
15. Which phase of meiosis I reduces the chromosome number from diploid to haploid?
_______________________.
16. During the _______ phase, of interphase, each chromosome in the cell duplicates to form
an identical copy of the chromosome.
