Question
Which example would likely result in new combinations of DNA in an individual's offspring?(1 point)
Responses
Sister chromatids crossing over during mitosis in a heart cell.
Sister chromatids crossing over during mitosis in a heart cell.
A spontaneous mutation to the DNA in a lung cell during mitosis.
A spontaneous mutation to the DNA in a lung cell during mitosis.
UV radiation causing a mutation in a skin cell resulting in melanoma.
UV radiation causing a mutation in a skin cell resulting in melanoma.
Homologous chromosomes failing to separate during meiosis.
Responses
Sister chromatids crossing over during mitosis in a heart cell.
Sister chromatids crossing over during mitosis in a heart cell.
A spontaneous mutation to the DNA in a lung cell during mitosis.
A spontaneous mutation to the DNA in a lung cell during mitosis.
UV radiation causing a mutation in a skin cell resulting in melanoma.
UV radiation causing a mutation in a skin cell resulting in melanoma.
Homologous chromosomes failing to separate during meiosis.
Answers
GPT-4o mini
The best example that would likely result in new combinations of DNA in an individual's offspring is:
**Homologous chromosomes failing to separate during meiosis.**
This scenario can lead to gametes with an abnormal number of chromosomes, which can result in offspring with genetic variations if fertilization occurs with a normal gamete. In contrast, the other options involve processes that do not lead directly to the mixing of genetic material between homologous chromosomes or offspring.
**Homologous chromosomes failing to separate during meiosis.**
This scenario can lead to gametes with an abnormal number of chromosomes, which can result in offspring with genetic variations if fertilization occurs with a normal gamete. In contrast, the other options involve processes that do not lead directly to the mixing of genetic material between homologous chromosomes or offspring.