Answer:
Scientists first discovered chromosomes in the nineteenth century, when they were gazing at cells through light microscopes. But how did they figure out what chromosomes do? And how did they link chromosomes — and the specific genes within them — to the concept of inheritance? After a long period of observational studies through microscopes, several experiments with fruit flies provided the first evidence.
Explanation:
Genes are contained in chromosomes, which are in the cell nucleus. A chromosome contains hundreds to thousands of genes. Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. A trait is any gene-determined characteristic and is often determined by more than one gene.
Yes this is correct
All organisms are composed of multiple cells. All cells have the same structure and function. Cells are found in everything on Earth. Living organisms are not created spontaneously.
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A. is the best answer:
Bacteria typically have _one circular chromosome_, whereas eukaryotes have _many linear chromosomes_.
Answer:
B. The frequencies of alleles in this new dodo population may be very different from the frequencies from 1,000 years ago.
Due to a population bottleneck, the frequency of alleles in this new dodo population may be very different from the frequencies expected in larger (now nonexistent) populations
