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Zigmanuir [339]
3 years ago
11

The school district wanted to determine whether the more expensive floor wax (Brand A) was better than the cheaper (Brand X) flo

or wax at protecting its floor against scratches. One liter of each brand of floor wax was applied to each of 10 test sections of the cafeteria floor. The test sections were all the same size. Ten other test sections received no wax. After 4 weeks the number of scratches in each of the test sections were counted.
1 What is the independent variable for this experiment?
2 What is the control group for this experiment?
3 What is the dependent variable for this experiment?
Biology
1 answer:
erik [133]3 years ago
7 0

Answer:

please help me on my question

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Which event in meiosis accounts for Mendel's principle of segregation?
balu736 [363]

Answer:

c. separation of homologs at anaphase I

Explanation:

Law of Segregation is also popularly known as purity of gamete. Law of Segregation is proposed by Mendel’s which stands universal law till date. The law states that allele (alternative form of same gene) pairs separate or segregate at the time of gamete formation.

The gametes form by meiosis or reductional division so, each gamete receives only one allele of trait.  

During metaphase I of meiosis the homologous chromososmes gets arranged on the central plate and get attached to the spindle fibres and then anaphase I begins with the separation of each chromosome of the homologue. Each chromosome of a pair moves to opposite poles.  

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3 years ago
What is the role of proteins in a chromosome?
ahrayia [7]

The role of proteins in a chromosome is for gene transfer. The gene transfer found in the DNA happens during mitosis.

7 0
4 years ago
The answers you can pick are bone, cartilage, ligament, muscle and tendon
Sloan [31]
A. Muscle
B. Tendon
C. Cartilage
D. Ligament
E. Bone

I would appreciate a brainliest! <33
8 0
3 years ago
Ill give you a brainliest if it is right
joja [24]
I believe it might be C
6 0
3 years ago
Which chromosome is the sex determiner for many species
cluponka [151]
Usually it is the x and y chromosomes. XX is for females and XY is for males. That is how gender is determined in most living things. Hope this helps!!
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