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Marianna [84]
3 years ago
7

What is another property of ionic compounds?

Biology
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:

They form crystals

They have high melting points and high boiling points

They have higher enthalpies of fusion and vaporization than molecular compounds

They're hard and brittle

They conduct electricity when they are dissolved in water

They're good insulators

Explanation:

i hope this is what you need

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Use the mechanisms of meiosis to explain why most mules are sterile.
Tema [17]

Answer:

3. An even number of chromosomes are required for synapsis during prophase I and proper pairing during metaphase

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Mules are hybrids of a cross between a female horse and a male donkey. Horses contain 64 chromosomes while donkeys contain 63 chromosomes in their somatic cells respectively. This means that they each produce 32 and 31 chromosomes respectively during meiosis. A mule, hence, contains 32+31= 63 chromosomes in their somatic cells.

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Due to this reason of unevenness in the number of chromosomes present in a mule, meiosis will not occur and if meiosis (gamete formation) does not occur, reproduction cannot take place. Therefore, the mule is a sterile species i.e. cannot produce offsprings via sexual reproduction.

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