BIOLOGY HIGH SCHOOL

DNA replication allows the basic units of heredity found on segments of DNA, called ________ , to be passed on from parent to offspring.

Answers

Answer 1
Answer: Answer;
DNA replication allows the basic units of heredity found on segments of DNA, called genes, to be passed on from parent to offspring. 

Explanation;
DNA replication involves the synthesis of other new DNA helices from the parent DNA helix in which the two strands of the parent DNA acts as templates to synthesize new complementary strands. This is a semi-conservative process in which the new DNA helix contains one strand from the original DNA and one new strand.  
By so doing the process allows genes (segments of DNA) to be passed from the parents to the offsprings.
Answer 2
Answer:

The gene is the basic unit of heredity that is present in the DNA segment. During DNA replication, these genes are passed from one generation to generation.

Further Explanation:

DNA replication is referred to as the copying of DNA (deoxyribonucleic acid) of a cell. The mechanism of DNA replication is similar to each and every organism. It is a semiconservative mechanism. DNA is a double helix structure and each of its strand act as a template which is essential for the synthesis of new complementary strand. During the process, the genes of the parents are transferred to offspring.

This process helps in the formation of two daughter cells with an equal number of chromosomes. Each new cell contains one new and one old strand of DNA. DNA replication includes four basic steps, first formation of the replication fork. DNA polymerase is the enzyme that helps in unzipping the double helix structure into two separate strands. The second step is primer binding that is required for the formation of complementary strand. The third step in DNA elongation and the final step is termination.  

Learn More:

1. Learn more about the treatment of eukaryotic cell with a drug brainly.com/question/10767798

2. Learn more about the proteins synthesis in a cell brainly.com/question/1420458

3. Learn more about an exchange of gases by blood cells brainly.com/question/1213217

Answer Details:

Grade: High School

Subject: Biology

Chapter: Genetic material.

Keywords:

gene, heredity, DNA, segment, replication, generation, organism, polymerase, enzyme, double helix, complimentary, termination, elongation.

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Each cell only expresses a small portion of its genes at any given time. Not synthesizing unused proteins allows resources and energy to be conserved. This understanding best supports which of the following statements?Cells randomly express different genesGene expression is a regulated processCells cannot express certain genesUnexpressed genes are never useful
Like animals, plants must maintain an internal balance, or _____.

In his study of pea plants, Gregor Mendel used which method to produce offspring?

Answers

Answer:

cross-pollination. He cross pollinated parents with different traits.

Explanation:

Gregor Johann Mendel was a great scientist/ Biologist that was born on the 20th day of the month of July, in the year 1822 in Czechia and he died on the 6th day of January, in the year 1884. Gregor Johann Mendel made significant effect on the aspect of genetics and heredity in Biology and science generally.

If you look at the world today, you are going to see beautiful and improves varieties of plants and animals which are known as hybrids.

For his research on inheritance, he cross pollinated parents with different traits to produce offsprings.
Cross-Pollination was used

4. In carnations, red and white flowers make pink flowers. What complex inheritance pattern is this? Also, create a Punnett square for a cross between a red flower and a pink flower. Then list the phenotypic and genotypic ratios of the offspring.

Answers

Answer: The correct answer is incomplete dominance.

The development of the cell theory involved ___________________________. a. different ideas from different scientists.
b. the efforts of one scientist.
c. work with computer models.
d. complete agreement among scientists.

Answers

The answer is D. It took different scientists's inventions/discoveries to come to a conclusion which was the cell theory. They didn't have computers before they developed the cell theory so, it's not c.

The answer is a different ideas from different scientist.


Hope this helps!

All female mammals have one active x chromosome per cell instead of two. what causes this?

Answers

Answer:

maybe its because of pregnancy

Explanation:

HELP ME PLEASEThe presence of fossils suggests that a rock is MOST LIKELY ?

A) igneous

B) intrusive

C) sedimentary

D) metamorphic

Answers

C) sedimentary

Could I have brainliest?

your answer would be c) sedimentary rocks. they are broken bits of rock that sometimes hold organ bits, like seashells and fossils. hope this helped you!! have a great day!!

Rainforests around the world are being cleared at an alarming rate to make room for new communities, agriculture, mining, and roads, and to provide lumber for construction and furniture. How might the destruction of rainforests affect the balance of gases in Earth's atmosphere?

Answers

This question is incomplete because the options are missing; here is the missing section:

How might the destruction of rainforests affect the balance of gases in Earth's atmosphere?

by increasing carbon dioxide and decreasing oxygen

by increasing carbon dioxide and increasing oxygen

by decreasing carbon dioxide and increasing oxygen

by decreasing carbon dioxide and decreasing oxygen

The answer to this question is by increasing carbon dioxide and decreasing oxygen.

Explanation:

Rainforests have a vital role on Earth because these regulate the levels of oxygen vs carbon dioxide. This is because plants including trees, grasses, shrubs, etc. require carbon dioxide as part of the photosynthesis process, and they release oxygen at the end of the process. In this way, rainforests reduce the amount of carbon dioxide and increase oxygen.

In this context, deforestation or the destruction of rainforest for mining, roads, etc. implies there are fewer plants, and therefore, less carbon dioxide is being used and less oxygen is released. This causes an increase in carbon dioxide and a decrease in oxygen.

by increasing carbon dioxide and decreasing oxygen
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