Question
What is the term used to describe homologous chromosomes exchanging genetic material during meiosis?(1 point)
Responses
self-pollination
self-pollination
frameshift mutation
frameshift mutation
crossing-over
crossing-over
trait distribution
Responses
self-pollination
self-pollination
frameshift mutation
frameshift mutation
crossing-over
crossing-over
trait distribution
Answers
Answer
When scientists analyzed the variations of color expressed in monkey flowers, what did they realize about the offspring of purple monkey flowers?(1 point)
Responses
The traits expressed did not result from frameshift mutations.
The traits expressed did not result from frameshift mutations.
The traits expressed did not result from environmental factors.
The traits expressed did not result from environmental factors.
The traits expressed did not result from changes in pollination.
The traits expressed did not result from changes in pollination.
The traits expressed did not result from changes in the genetic code.
Responses
The traits expressed did not result from frameshift mutations.
The traits expressed did not result from frameshift mutations.
The traits expressed did not result from environmental factors.
The traits expressed did not result from environmental factors.
The traits expressed did not result from changes in pollination.
The traits expressed did not result from changes in pollination.
The traits expressed did not result from changes in the genetic code.
Answer
Can sunlight change the distribution of traits in a population?(1 point)
Responses
Yes, because the environment is the only factor that can change traits.
Yes, because the environment is the only factor that can change traits.
No, because the environment can only change traits in individual organisms.
No, because the environment can only change traits in individual organisms.
No, because the environment can only change behaviors.
No, because the environment can only change behaviors.
Yes, because the environment can factor into the distribution of traits.
Responses
Yes, because the environment is the only factor that can change traits.
Yes, because the environment is the only factor that can change traits.
No, because the environment can only change traits in individual organisms.
No, because the environment can only change traits in individual organisms.
No, because the environment can only change behaviors.
No, because the environment can only change behaviors.
Yes, because the environment can factor into the distribution of traits.
Answer
How did NASA help to distinguish genetic factors from environmental ones when studying the effects of living space?(1 point)
Responses
By analyzing changes in one twin on Earth and the other in space.
By analyzing changes in one twin on Earth and the other in space.
By observing changes in retired astronauts over a period of ten years.
By observing changes in retired astronauts over a period of ten years.
By introducing animals and other organisms that could be studied in space.
By introducing animals and other organisms that could be studied in space.
By running experiments on astronauts that were in space for over a year.
Responses
By analyzing changes in one twin on Earth and the other in space.
By analyzing changes in one twin on Earth and the other in space.
By observing changes in retired astronauts over a period of ten years.
By observing changes in retired astronauts over a period of ten years.
By introducing animals and other organisms that could be studied in space.
By introducing animals and other organisms that could be studied in space.
By running experiments on astronauts that were in space for over a year.
Answer
One way scientists can analyze and interpret data to identify potential environmental factors is by (1 point)
Responses
analyzing the distribution or variation in traits across a population.
analyzing the distribution or variation in traits across a population.
determining how traits are expressed in an organism.
determining how traits are expressed in an organism.
confirming that a trait is always expressed in an organism.
confirming that a trait is always expressed in an organism.
studying how genes are organized in DNA of one organism.
Responses
analyzing the distribution or variation in traits across a population.
analyzing the distribution or variation in traits across a population.
determining how traits are expressed in an organism.
determining how traits are expressed in an organism.
confirming that a trait is always expressed in an organism.
confirming that a trait is always expressed in an organism.
studying how genes are organized in DNA of one organism.
Answered by
GPT-4o mini
The term used to describe homologous chromosomes exchanging genetic material during meiosis is **crossing-over**.
Answered by
GPT-4o mini
When scientists analyzed the variations of color expressed in monkey flowers, they realized that **the traits expressed did not result from changes in the genetic code**.
Answered by
GPT-4o mini
**Yes, because the environment can factor into the distribution of traits.**
Answered by
GPT-4o mini
**By analyzing changes in one twin on Earth and the other in space.**
Answered by
GPT-4o mini
**Analyzing the distribution or variation in traits across a population.**
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