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Scilla [17]
3 years ago
9

A mutation in a gene often results in a reduction of the product of that gene. The term for this type of mutation is ________. A

mutation in a gene often results in a reduction of the product of that gene. The term for this type of mutation is ________. incomplete dominance multiple allelism loss of function or null (in the case of complete loss) gain of function codominance
Biology
1 answer:
krok68 [10]3 years ago
5 0

Answer:

loss of function or null (in the case of complete loss)

Explanation:

hope this helps

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Explanation:

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.

This chromosome number in mules are uneven for meiosis to occur because meiotic division requires that an even number of homologous chromosomes pair together in a process called SYNAPSIS during prophase I of meiosis I. This is impossible in a mule because of the uneven number of chromosomes in its 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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