7th grade science-mitosis,meiosis,and cell division

25 cards

its all in th e title


 
  
Created Jan 21, 2010
by
nichole2880

 

 
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1
what are chromosomes that carry the same kind of genes?
 
homologous chromosomes
2
offspring that are different from both parents are produced by
 
sexual reproduction
3
what are homologous chromosomes?
 
chromosomes tht carry the same set of genes
4
what carries the genes that determie sex
 
sex chromosomes
5
what is it called when cells are copied with half he number of chromosomes? 
 
meiosis
6
how are sex cells different from other body cells?
 
sex cells have half as many chromosomes
7
people often go to genetic counselors to have a ___________ drawn to trace a disease that they...
 
pedigree
8
Only one parent cell is needed in ___________ reporduction
 
asexual
9

t or f

 

every one of the chomosomes is different between men and women

 
f
10

t or f

 

Men and women each have different numbers of chromosomes in...

 
f
11

t or f

 

If you looked inside a cell during mitosis and you could see...

 
t
12
In humans, what are the sex chromosomes of females?
 
xx
13
In humans, what are the sex chromosomes of males?
 
xy
14
explain the difference betwwen meiosis and mitosis
 
division of the nucleus in a body cell in mitosis and produces sex cells in meiosis
15
Since sex cells only have half the chromosome cells that are found in a refular cell, how do...
 
the sperm has 23 chromosomes and the egg has 23 chromosomes and when they come together they...
16
how is a new cell at the end of meiosis different from the parent cell at the start of meosis?
 

It has 1/2 the number of chromosomes

 

 

 

17
air pocket between the inner and outer membranes: located at wide end of egg
 
air cell
18
egg white:cushions the embryo and provides water and protein
 
albumen
19
hard shell; protects the eggs contents, lets oxygen and carbon dioxide pass in and out of the...
 
eggshell
20
developing chick inside an egg
 
embryo
21
membrane between the outer shell membrane and the albumen
 
inner shell membrane
22
membrane between the eggshell and the inner shell membrane
 
outer shell membrane
23
food source for the developing chick; attached to the middle of the embryo's gut
 
yolk
24
small dot where fertilization occurs
 
germinal disc
25
membrane that surrounds the yolk
 
yolk (vitelline) membrane

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