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dexar [7]
3 years ago
6

In which phase of meiosis would certain gene segments of the homologous pairs of chromosomes "cross over" and exchange genetic i

nformation?
Biology
1 answer:
REY [17]3 years ago
5 0
The phase that you are looking for would be Prophase 1.  During this phase, the chromosomes line up so closely together that they exchange genetic info, as you know. 
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3 0
3 years ago
After watching the video, how would you define the term ecological relationship? Are they always beneficial to organisms involve
dangina [55]

Answer:

There is no video but ecological relationship will be defined on a general note and it is not always beneficial to organisms.

Explanation:

In an ecosystem, organisms of the same or different species tend to interact with one another. This interaction is referred to as ECOLOGICAL RELATIONSHIP between the involved organisms. An ecological relationship can be of different types depending on the effect.

SYMBIOSIS is an ecological relationship between two organisms that interact together. SYMBIOSIS can either be mutualistic (both organisms benefit), parasitic (one organism loses and one gains), or commensalistic (one organism benefits and one neither benefits or loses). Another ecological relationship is PREDATION, where one organism called the PREDATOR feeds on part or all of another organism called PREY in order to obtain energy.

As stated above, some of the organisms involved in an ecological relationship benefits while others lose. Hence, it is not always a beneficial relationship to organisms.

7 0
3 years ago
OMG PLEASE HELP!!!!! TEST SOON!!! Explain how to focus a microscope using the high-power lens. Include any safety issues you nee
BabaBlast [244]
1)magnification goes by 10x (read 10 times), 100x,1000x and some goes 10,000x 

2)Always focus first using lowest power possible first, switch to medium power (100x) after it's focused on low power(10x), on 100x, use the small knob to focus it more. DO NOT touch the bigger nob when in medium or high power. Switch to high power (100x) when it is focused on medium power, again focus again using the small knob on high power. 

3) So it doesn't gather dust and fog up the lense? that one should be self explanatory
5 0
3 years ago
Name the phase:<br>Hint: Chromosomes are moving apart.​
umka2103 [35]

Answer:

Mitosis it's the Anaphase

when the spindle fibres contract, each chromosome splits at the centromere, and its two chromatids are pulled apart towards opposite ends of the cell. Each chromatids is actually a single stranded chromosome, since DNA replication took place

5 0
3 years ago
WILL GIVE BRAINLIEST!! Tamara puts a drop of red food dye into a glass of water. The dye makes swirls of
Liula [17]

Answer:

the red consumed the water

Explanation:

5 0
3 years ago
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