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Rzqust [24]
3 years ago
12

Crossing over

Biology
1 answer:
xz_007 [3.2K]3 years ago
3 0
Yes that's correct ..by exchanging some parts of the inner chromatids
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D - Telophase
Eddi Din [679]

Answer:

A-B-C-D

Explanation:

PROPHASE; 1. chromosomes become thicker

2. nuclear membrane disintegrates

3. centrosome divide to form centrioles

4. centrioles move to the opposite polls of the cell

METAPHASE; 1. chromosomes get arranged at the equator

2. centrioles produce spindle fibre that attach to the middle of the chromosomes

ANAPHASE; 1. shortest stage of mitosis

2. spindles will pull apart each chromosomes to form chromatids

TELLOPHASE; 1.  each chromatid moves to opposite polls of the cell

2. nuclear membrane appears around both of them

3. the centrioles sill stop producing spindles

4. centrosomes will then form again

cytokinesis then divides by the cleavage furrow to form the two daughter cells

7 0
2 years ago
What is the relationship between the number of motor neurons recruited and the number of skeletal muscle fibers innervated?
Alisiya [41]

Answer:

Alpha motor neurons (also called lower motor neurons) innervate skeletal muscle and cause the muscle contractions that generate movement. Motor neurons release the neurotransmitter acetylcholine at a synapse called the neuromuscular junction.

8 0
3 years ago
WILL GIVE BRAINLYEST
xxTIMURxx [149]

Answer: I think number 2 b

Explanation:

4 0
3 years ago
More solar energy reaches the equatorial regions than the polar regions because the equatorial regions
crimeas [40]


The answer is that the equatorial regions receive sun rays closest to the vertical (direct rays) because of their position relative to the equator where the tilting of the earth only mildly affects the climate. The climate along the equator  changes very little through out the year and has summer like conditions for  most of the year.

However the other regions may receive direct sun rays but for far more limited periods.  In the months of July and August (summer months), the northern hemisphere is tilted towards the sun and receives the most  direct  rays. The opposite occurs in December and January when it is tilted away from the sun and thus winter sets in, whereas the southern hemisphere is at this time tilted toward the sun and receives the most direct sun rays.


4 0
3 years ago
honey bees make honey from nectar that they collect from flowers nectar is a clear liquid that contains the sugar called sucrose
otez555 [7]

Answer:

honey chemical formula

6 0
2 years ago
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