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antiseptic1488 [7]
3 years ago
9

6. Why does meiosis increase genetic variation in the offspring, but mitosis does not? (1 point)

Biology
1 answer:
brilliants [131]3 years ago
3 0
Meiosis involves crossing over where chromosomes exchange genetic segments, resulting in different sets of chromosomes. Each time an egg or sperm created, it is different due to this recombination. Mitosis on the other hand is non-sex cells replicating exact copies of themselves which lead to no genetic variation as they aren't involved in producing offspring.
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How would you know whether it was in metaphase i and metaphase ii.
egoroff_w [7]

Metaphase 1 is associated with meiosis 1 whereas the metaphase 2 is associated with meiosis 2. The main difference between metaphase 1 and 2 is that chromosomes are attached as homologous pairs at the equator during the metaphase 1 and during metaphase 2, single chromosomes are attached at the equator

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2 years ago
Which one of these is not an example of intercellular communication? A.a vesicle encloses over a nutrient molecule B.chemical si
tino4ka555 [31]
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4 years ago
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A client in the psychiatric hospital is attempting to communicate by stating, "sky, flower, angry, green, opposite, blanket." th
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The nurse recognizes the term “word salad” as describing this type of communication

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6 0
3 years ago
What is the period of a satellite in a circular orbit just above the surface of the Moon? The Moon’s mass is 7.36 × 1022 kilogra
Tanya [424]

Answer:

<h3>C. 6.50 x 10^3</h3>

Explanation:

The satellite revolves around moon due to centripetal force which is provided by gravity  in this context so we can equate gravity and centripetal force.

                  mrw^{2} = \frac{GMm}{R^{2} }

where, m is mass of satellite

           M is mass of moon

           ω is angular velocity

           G is Universal gravitational constant

            R is the radius of moon

from the above equation we get ω as,

                          w=\sqrt{\frac{GM}{R^{3} } }

                               T = \frac{2\pi }{w}

                                   T= 2\pi \sqrt{\frac{R^{3} }{GM} }

      here M = 7.36 X 10^22

               R = 1.738 X 10^6

               G =6.67 X 10^-11

              T= 2X3.14 \sqrt{\frac{(1.738 X 10^6)^{3} }{6.67 X 10^-11 X 7.36 X 10^22} }

                      T= 6.50 X 10^3 seconds

                           

6 0
3 years ago
Did hurricane celia create a record storm surge
podryga [215]
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