1.Which of the following will occasionally produce a duplicate gene? A-chromosome replication during mitosis B-Crossing-over during meiosis C-neutral mutation during Transcription D-genetic drift during reproduction

Answers

Answer 1

Answer: Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Therefore the answer is B.

Answer 2

Answer:

The answer is crossing over, or B

Related Questions

The suprachiasmic nuclei release growth hormone, which helps repair body tissues. report changes in light levels during the day and night to the optic nerve. are located in the brain stem. control falling asleep and awakening.
Which is the main light-absorbing pigment for photosynthesis?carotene chlorophyll hemoglobin anthocyanin User: Which is an example of why the process of photosynthesis is important to life on Earth? Grass uses photosynthesis to produce glucose, which is used within the grass for growth. Fungi use photosynthesis to decompose dead and decaying plant matter. Cold-blooded animals use photosynthesis to convert sunlight into energy for cell functions. Green plants use photosynthesis to ...
Which describes a grizzly bear’s habitat? all the biotic factors in the ecosystem all the abiotic factors in the ecosystem the role of the bear in the ecosystem the physical area where the bear lives
What do scientists estimate is the approximate age of the planet earth?
Which of the following events happens first in the development of a new organism? A. A zygote undergoes mitosis.B. A sperm fertilizes an egg to form a zygote.C. A blastocyst implants into the uterine wall.D. A morula is formed.

I need help because i dont really know how to do this

Answers

I believe that it's B

d is the answer i think

Which type of soil makes it MOSTdifficult for plants to thrive and
decompose organic material?

Answers

Explanation:

Poorly drained soils tend to have a high percentage of organic matter because low oxygen levels limit decomposition organisms.

Which of the following is an example of an exothermic process?Melting

Boiling

Freezing

Evaporating

Answers

The answer to the question above is letter a. melting.

>Exothermic is the giving off heat energy the transfer of energy to the surroundings.

>In exothermic reaction, the energy is usually transferred as heat energy

> Other example of exothermic is combustion

What part of the population is catholic

Answers

16 percent of the world's population and 50 percent of the Christians population.

Are may beetles dangerous?Are May Beetles are dangerous?
Do they lay eggs on their back?
Are they a good pet?
Why or Why Not?

Answers

No
No
No
they are insects, and insects are bad pets because they have no soul, and so can't feel love

Food enters the body through the mouth where it is mixed with digestive enzymes from the ____________. These enzymes begin the digestion of ______________ into _______________. The bolus is propelled to the pharynx by the tongue. The ___________ closes over the _________ upon swallowing to protect the respiratory tract from food particles.

Answers

Here you are! This answer will definitely help you in your assignment.

Food enters the body through the mouth where it is mixed with digestive enzymes from the saliva.
These enzymes begin the digestion of starch into sugars.
The epiglottis closes over the tracheid upon swallowing to protect the respiratory tract from food particles.

Answer:

Food enters the body through the mouth where it is mixed with digestive enzymes from the saliva. These enzymes begin the digestion of starch into sugars. The bolus is propelled to the pharynx by the tongue. The epiglottis closes over the tracheid upon swallowing to protect the respiratory tract from food particles

Other Questions

What roles do polysaccharides play in living things?

Energy from the sun comes from fusion. What happens during that reaction? Question 28 options: A.Hydrogen turns into helium. B.Helium turns into hydrogen. C. Oxygen turns into carbon dioxide. D.Carbon dioxide turns into oxygen

Coal and wood are found in nature.they are both examples of

The scientific term for a living thing is