20. What is NOT a characteristic of sexual reproduction? A. Gametes from two parents unite to form a zygote. B. Genetic variability of offspring help to ensure survival in changing environmental conditions. C. Offspring are different from their parents and sibling. D. Offspring are genetically identical with the parent.
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Answers & Comments
Answer:
C
Explanation:
Sexual reproduction is a sort of reproduction that includes a mind boggling life cycle in which a gamete with a solitary arrangement of chromosomes joins with one more to create a zygote that forms into an organic entity made out of cells with two arrangements of chromosomes. Sexual reproduction is the most well-known life cycle in multicellular eukaryotes, like creatures, parasites and plants. Sexual reproduction doesn't happen in prokaryotes, yet they have processes with comparative impacts, for example, bacterial formation, change and transduction, which might have been antecedents to sexual reproduction in early eukaryotes.
In the development of sex cells in eukaryotes, diploid mother cells separation to deliver haploid cells known as gametes in a cycle called meiosis that includes hereditary recombination. The homologous os Sexual reproduction chromosomes pair up so their DNA arrangements are lined up with one another, and this is trailed by trade of hereditary data between them. Two rounds of cell division then, at that point, produce four haploid gametes, each with a large portion of the quantity of chromosomes from each parent cell, however with the hereditary data in the parental chromosomes recombined.
A sexual reproduction :
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