BIOLOGY MIDDLE SCHOOL

Give one example of how environmental factors affect gene expression.
Tysm ily ;)

Answers

Answer 1
Answer: Drugs and other chemicals are examples of how environmental factors affect gene expression. These drugs can either 'activate' or 'inhibit' the expression of genes that you have. For example, taking drugs while being pregnant affects the genetic makeup of the baby inside you.

Related Questions

Equal to the number of electrons______.
Planning along the natural slope of the land to reduce soil erosion is called
Which type of map would you mostly use to locate iron deposits
Describe how the ocean plays a role in stabilizing Earth's weather conditions.
Charles Darwins observation adventures of different species on the Galapagos islands have many similar physical characteristics supports the hypothesis hypothesis that these finches

1.Having spent much time in sunlight during youth, an older person develops skin cancer and has the growths removed. What environmental mutagen causes the growths to keep coming back AND why might the growths keep coming back?2.Is a mutation that happens during meiosis likely to affect a single gene or an entire chromosome? Explain.

Answers

1. remaining skin cells still have the mutation that causes the cancer in their DNA, even if the symptoms are removed

2. it is likely to affect an entire chromosome because during meiosis there may be errors in crossing over when the condensed chromosomes can exchange large parts of the chromosomes in error

Review the following DNA sequences.Original DNA Sequence

A T T G C T A A G T C A

Mutated DNA Sequence

A T T G A T A A G T C A

Which type of mutation occurred?


insertion


deletion


There is no mutation.


substitution

Answers

Answer:

The answer is substitution

Explanation:

Substitution is a kind of mutation that occurs when one nucleotide is change by a different one. In your example, only change the fifth nucleotide (C by A) so, this is an example of point mutation (onle one nucleotide changed).

The other options are differents kinds of mutations that the one shown in your question.

Cuanto centímetros de ve medir el pene, para complacer a una mujer?

Answers

nomas ponselo adentro y ya

el average es 6 centimetros cuando esta ¨happy¨. el average sera sufficiente pero cuenta mas la experiencia 

What is the force of attraction between two atoms that are combined

Answers

This is called a chemical bond.

What is another name for natural selection?

Answers

It could also be called survival of the fittest

surrvival of the fittest

What are species of plants and animals that can take over an ecosystem

Answers

Answer:

I think its invasive

Explanation:
Other Questions
What is source of the DNA for the strawberry plant? It was absorbed from the soilIt was passed on from the parent plantIt was created by the plant using sunlightIt was borrowed from animals that feed on the plant
Prokaryotic and Eukaryotic cells differ in that _______bound organelles, and ________ cells do not have a nucleus.
Q1 when does an embryo implant in the wall of the uterus q2 suggest y pregnant women cant take some medications
Compare mitosis and meiosis: please list 3 things that are unique to mitosis, 3 things thatare unique to meiosis, and 1 thing that they have in common. *