Offspring that result from crosses between true-breeding parents with different traits (G1)

2 answers:

5 0

Answer: hybrids :)
In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents, but can show hybrid vigour, sometimes growing larger or taller than either parent.

grigory [225]3 years ago

3 0

Answer : Are called hybrids

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Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissu

Aloiza [94]

Answer:

The cells Differentiated

Explanation:

The neutral tube is a precursor to form nervous tissues. Thus, on trnasplantation to another embryo, the transplanted cells differentiated to form nervous tissues.

6 0

3 years ago

Why does DNA flow toward the positive electrode of the gel chamber?

Digiron [165]

Answer:

DNA molecules have negative charges, and so when placed in an electric field they migrate toward the positive pole.

Explanation:

Electrophoresis is a technique that <u>uses differences in electrical charge to separate the molecules in a mixture</u>. DNA molecules have negative charges, and so when placed in an electric field they migrate toward the positive pole. The rate of migration of a molecule depends on two factors, its shape, and its charge-to-mass ratio.

A gel, which is usually made of agarose, polyacrylamide, or a mixture of the two comprises a complex network of pores, through which the DNA molecules must travel to reach the positive electrode. The smaller the DNA molecule, the faster it can migrate through the gel. Gel electrophoresis, therefore, <u>separates DNA molecules according to their size.</u>