Meiosis Process Overview

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26 Questions

Meiosis is the process by which ______ gametes are produced

haploid

In males, meiosis occurs in the ______

testes

Homologous pairs exchange genetic material in many locations, called ______

chiasmatas

In females, meiosis occurs in the ______

ovaries

Reduction division: Each daughter cell gets one copy of each ______ chromosome

telophase

Tetrads line up in pairs at the equatorial plate, forming a double line during ______ I

metaphase

Spindle fibers pull homologous chromosomes toward opposite ends of the cell during ______ I

anaphase

Two haploid cells split, nuclear membranes ______

reform

Daughter cells go straight from Telophase I to ______ II

prophase

Nuclear membrane dissolves, nucleus disappears, centrosomes move to opposite poles, chromatin condenses into ______

chromosomes

Chromosomes line up on equatorial ______

plate

Spindle fibers move 23 single chromosomes to each ______

pole

Both cells turn into two haploid daughter cells, creating four cells in ______

total

Errors in Meiosis Structural chromosome mutations (4 types) Deletion: chromosome segment is ______

removed

Inversion: chromosome segment is ______

reversed

Fertilization: 1 haploid sperm + 1 haploid egg = 1 diploid ______

zygote

What is the term for a chromosome segment being relocated?

Transversion

What is the term for the specific location where crossing over occurs?

Chiasmata

In terms of Mendelian inheritance, what is the genotype for two dominant alleles?

Homozygous Dominant (TT)

What is the term for the reproductive cells, either sperm or egg cells?

Gametes

What is the term for the process by which haploid gametes are produced?

Meiosis

What is the term for the structure that appears during mitosis/meiosis and creates spindle fibers?

Centrosomes

What is the term for a chromosome segment being removed?

Deletion

What is the term for two homologous chromosome pairs that line up adjacent to each other?

Tetrads

In terms of Mendelian inheritance, what is the genotype for one dominant and one recessive allele?

Heterozygous (Tt)

What is the term for the event where homologous pairs exchange genetic material in many locations?

Crossing over

Learn about the process of meiosis, which is essential for the production of haploid gametes. Explore the different stages such as Prophase I and understand the key events that occur during meiosis.

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