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14.07.2019 •
Biology
In a duplication, a person has more than two alleles for a certain trait. crossing-over between sister chromatids has occurred twice a particular segment is missing on one chromosome. a chromosomal segment is turned 180 degrees. chromosomal segments are exchanged between two nonhomologous chromosomes. 4 points save answer
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Ответ:
The right answer is a person has more than two alleles for a certain trait.
Duplication is a genetic mutation characterized by the doubling of genetic material on a chromosome. There are several mechanisms that result in the duplication of either a large chromosomal portion, a gene, or a nucleotide sequence.
Ответ:
turgid refers to cells or tissues that are swollen from water uptake. Many cell types in many different organisms can become turgid due to water uptake. Some cells will lyse, or split open if they become too turgid.