Answer:
B. A bridge-like connection is created between bacterial cells for genetic material to be transferred.
Explanation:
A. There is a change in the nucleotide sequence of a DNA molecule. - this is describing a genetic mutation
B. A bridge-like connection is created between bacterial cells for genetic material to be transferred. - this is <u>conjugation</u>, a type of genetic transfer between donor and recipient bacterial cells. It is a way that bacterial cells achieve genetic variation. For example, bacteria can share antibiotic resistance genes between one another. They do not directly contact one another, instead, they use a structure called a pilus to exchange material
C. A bacterial cell takes DNA fragments from a dead cell and incorporates them into their DNA molecule. - this is transformation, another type of genetic transfer where bacterial cells take up bacterial DNA from the environment. These molecules of DNA are usually from dead bacteria
D. There is a transfer of DNA from bacterium to another by a virus. - this is another type of gene transfer called transduction, where a virus takes genetic material from one bacteria to another.
Answer:
At least two genes are involved in hair color. One hair color phenotype (brown vs. blond) has a dominant brown allele and a recessive blond allele. A person with a brown allele will have brown hair; a person with no brown alleles will be blond.
Explanation:
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Answer:
The daughter cells produced by both processes are haploid
Explanation: