Biology quiz

DNA is _ replicated between meiosis 1 and meiosis 2

meiosis 2 divides sister chromatids in _ phases

meiosis 1 divides homologous chromosomes in _ phases

meiosis 1 occurs _ DNA has been replicated

what is the purpose of meiosis 2?

what it the purpose of meiosis 1?

meiosis 1 and meiosis 2 each have _ phases, similar to those in mitosis

meiosis reduces chromosome _ and creates genetic _

cells go through _ rounds of division in meiosis

during meiosis, diploid undergo 2 cell divisons that result in _ cells

meiosis is involved in _ _

meiosis takes place only at a _ time in an organisms life cycle

meiosis produces genetically _ cells and results in _ cells

meiosis occurs in _ cells and produces _ gametes

_ makes haploid cells from diploid cells

mitosis and meiosis r types of _ _ that make diff types of cells

_ makes more diploid cells

Chromosome number must be _ in animals

Gametes have  _ autosomes and _ sex chromosome

Gametes are _

_ cells have one copy of every chromosome

Half the chromosomes come from each _

_ cells have 2 copies of every chromosome

_ btween egg and sperm occurs in sexual reproduction

Body cells are _ and gametes are _

Chromosome pairs 1-22 are _; Sex chromosomes X and Y determine _ in mammals

for each homologous pair, _ chromosome comes from each parent

_ pairs of chromosomes have the same structure

your body cells have _ pairs of chromosomes

Your cells have _ and _ _

Gametes have _ that can be passed to offspring

Gametes are sex cells: _ and _

Germ cells are located in the _ and _

Germ cells develop into _

body cells are also called _ cells

you have _ cells and _

Gametes have _ the number of chromosoms that body cells have

cell with little more than DNA that r eventually broken down

egg

male gamete

the production of gametes

a form of nuclear division that divides a diploid cell into haploid cells

a cell has only one copy of each chromosome

a cell has 2 copies of each chromosome: one from mother and one from father

the actual fusion of an egg and a sperm cell

involves the fusion of 2 gametes resulting in offspring that r a genetic mixture from both  parents

chromosomes that directly control the development of sexual characteristics

chromosomes that contain genes for characteristics not directly related to the sex of an organism

two chromosomes, one from mother and one from father, that have the same length and general appearance

sex cells- ova, eggs-female, sperm-male

make up most of your bodys tissues and organs (also called body cells)