BIOLOGY HIGH SCHOOL

When a recessive trait is on the X chromosome: Answer males will never express it females will always express it males can express it more often than females will it will only be expressed in 1/4 of the offspring *males can express it more often than females will

Answers

Answer 1
Answer: The answer is females will always express it. Since, the females have only X chromosomes,they would always express this trait. Males have both x and Y chromosomes. this means that the males could still express if but, it wouldn't be as often as the females.

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Artificial selection was used on corn to produce a single strain of corn with increased growth rates and greater resistance to a fungus. Although farmers have continued to select for these traits, the productivity of this strain is no longer increasing. This suggests that:_____________.
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New farming arrangements led toa. a focus on cash crops.
b. the rise of cities in the South.
c. rural prosperity in the South.
d. more black ownership of land.

Answers

a. a focus on cash crops

Write about major glands associated with the alimentary canal of man and mention their function

Answers

The glands which are associated with alimentary canal are
1. Salivary glands: These produce saliva
2. Gastric glands: These secrete gastric juice
3. Intestinal glands: These secrete intestinal juice
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5. Pancreas: It secretes pacreatic juice and hormone

What Molecules are involved in a Nitrogen Cycle?

Answers

The molecules which are  involved in a Nitrogen Cycle include the following:

  • Nitrate ions (NO3−)
  • Ammonium ions (NH4+)
  • Urea

Nitrogen cycle is the biogeochemical cycle which involves the conversion of

nitrogen into various forms. This helps to ensure adequate availability and

distribution of the element in the soil and in the atmosphere.

The following below are processes which ensures nitrogen distribution

  • Fixation
  • Ammonification
  • Nitrification
  • Denitrification.

Read more about Nitrogen cycle here brainly.com/question/1380063

Answer:

The nitrogen cycle represents one of the most important nutrient cycles found in terrestrial ecosystems (Figure 9s-1). Nitrogen is used by living organisms to produce a number of complex organic molecules like amino acids , proteins , and nucleic acids .

Explanation:

Genetics is the study of what?

Answers

Genetics is the scientific study of genes - the instructions that govern a person's growth, development, and health. These are passed down from from parents to children via sexual production.

Genetics is the study of genes, genetic variation, and heredity in living organisms. It is generally considered a field of biology, but it intersects frequently with many of the life sciences and is strongly linked with the study of information systems. hope this helps:)

Fossils of the first animals are rare because theyA. were large and likely to be eaten by others after they died.


B. lived only in volcanic regions, and were destroyed by lava flows.


C. were soft-bodied and tiny, therefore unlikely to fossilize.


D. had hard shells that broke down easily, leaving no trace

Answers

C. Were soft-bodied and tiny, therefore unlikely to fossilize. 

Pancreatic juice is composed of _______ bicarbonate in the presence of hydrochloric acid.

Answers

Sodium bicarbonate! :)
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