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Galina-37 [17]
3 years ago
15

What type of material is exchanged during "crossing over"?

Biology
2 answers:
jeka943 years ago
6 0

Answer:

Chromosomal crossover, or crossing over, is the exchange of genetic material between two homologous chromosomes non-sister chromatids that results in recombinant chromosomes during sexual reproduction.

Explanation:

netineya [11]3 years ago
5 0

Answer:

gentic materal

Explanation:

Alleles are swapped when crossing over

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Scientists are also evaluating plants for gene mutations that would help them grow better in space environments. What traits cou
mote1985 [20]

Answer:The traits the plants would have are;

The plants must have low gravity setting.

Plants must have the ability to provide large quantities of food.

The plants must be engineered to need little quantity of water

And the plant must be able to photosynthesize with little carbondioxide and litoff while going in space

Explanation:

There is need to grow plants in space so that in to help feed astronauts, and to provide psychological benefits for long-term space flight.

The space has low gravity setting, no oxygen and carbondioxide. For plants to grow in space it must exihibit some traits that will enhance their survival and these traits includes

The plants must have low gravity setting.

Plants must have the ability to provide large quantities of food.

The plants must be engineered to need little quantity of water

And the plant must be able to photosynthesize with little carbondioxide and litoff while going in space because without this plants cannot survival in space. Gravity enhance root growth and plant in space must have low gravity setting.

plant grows in a “pillow” filled with a clay-based growth media and fertilizer and this help to distribute water, nutrients and air needed for the growth and survival of the plants.

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3 years ago
What will most likely happen to the squirrel?
andreev551 [17]

Could you give me more background about said squirrel.

7 0
3 years ago
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Briefly describe the three categories of biodiversity
myrzilka [38]

Hello, Pjj3!!

-Genetic diversity is variability in the genetic makeup along individuals within a single species.

-Species is a group of similar organisms, and the sexually reproducing organisms they are a set of individuals that can mate/produce offspring. Everything is a part of a species. In other words, we are a part of a species because we can mate/produce offspring.

-One or more communities of different species interacting with one another and with the chemical or physical factors making up their nonliving environment.

I hope I helped you!! This came straight from my textbook and I added a few words. Let me know if I can help you with anything else. Have a great day!!

4 0
3 years ago
Which describes a Mendelian trait
nataly862011 [7]

Detached ear lobe allele is dominant over attached ear lobe allele

<u>Explanation:</u>

Mendel is the one who found the reason why an offspring has characteristics of the parent. He found that some traits were exhibited in an individual while the others were not. So he named the expressive allele as dominant trait and the one which in not expressive as recessive trait.

He formulated a set of hypothesis and experimented it on the pea plant to form the “Law of Inheritance”. In humans the detached ear lobe, blood groups all are examples of the law of dominance. Hence Mendelian traits are the physical characters that are passed on from one generation to the other .

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3 years ago
I need someone to please help me with biology Assignment it is an Evidence /Reasoning! Can anyone help me 50 points?
lord [1]

Any mutations in DNA are forever, since DNA is the master blueprint. All mutations will be passed onto new cells through DNA replication, and all RNA made from that DNA will also have the mutation. If the mutation occurs in sperm or egg cells, those mutations will also be passed on to the organism's offspring.

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