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alekssr [168]
3 years ago
9

The part of an experiment that changes is

Biology
2 answers:
anastassius [24]3 years ago
8 0
Variable is the answer
Anika [276]3 years ago
5 0
It would be the variable.
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Explain how the independent alignment of homologs, and also crossing-over during the first meiotic division, each contribute to
BartSMP [9]

Answer: Homologous chromosomes are randomly distributed to daughter cells, this means different chromosomes segregate independently of each other. And they exchange segments of DNA during crossing over. This recombination creates genetic diversity because genes from each parent are exchanged.

Explanation:

Meiosis is a type of cell division that produces gamete cells, which are sex cells (egg and sperm)

Chromosomes that form a pair and are found together are called homologous chromosomes, and they are inherited from each parent. During prophase of meiosis I, the homologous chromosomes exchange segments of DNA in a process called crossing over. This recombination creates genetic diversity because genes from each parent are exchanged. <u>It results in new combinations of genes on each chromosome.</u>

After that, during the anaphase of meiosis I, the two chromosomes line up on the equatorial plane of the cell. Then, they are separated and each will go to a new daughter cell. So homologous chromosomes are randomly distributed to daughter cells, <u>this means different chromosomes segregate independently of each other.</u>

3 0
3 years ago
Which theory was revised to obtain the theory of plate tectonics?
attashe74 [19]

Answer:

Continental drift theory is the correct answer

6 0
3 years ago
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Which of the following describes a pod?
svp [43]
Both answers C. and D. are correct. Most marine animals live in pods like seals, whales, and walrus. A. is called a school of fish while B. is a colony of penguins. :(
6 0
3 years ago
Circulatory system of man is made up of which muscle <br> a)Smooth <br> b)Cardiac <br> c)Skeletal
AlexFokin [52]
Smooth muscle.

Blood vessels contain smooth muscle in their walls. Cardiac muscle is heart muscle specifically. Skeletal muscle is muscle that forms the voluntary muscles.
8 0
3 years ago
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Which is a controlled variable in this experiment?
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The answer is A. number of pots
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