Which pedigree symbol is used to represent a female carrier of a recessive X-linked trait?

Answers

Answer 1

Answer: The pedigree symbol used to represent a female carrier of a recessive X-linked trait is a half-filled circle. In the pedigree charts, a circle is used to present females while a square is used to present males. If a female has a trait, the circle is filled in. If a female is a carrier of a recessive X-linked trait, the circle is half-filled.

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Unlike endocrine glands, exocrine glands A. utilize ducts to release their secretions.
B. produce and release secretions.
C. release secretions into the blood.
D. include the thymus and thyroid.

Answers

The answer is A. utilize ducts to release their secretions.
Exocrine glands are glands that secrete their products into ducts, they are the counterpart of endocrine glands which release their products into the bloodstream. Typical exocrine glands include: mammary glands, sweat glands, salivary glands, and many glands of the digestive system.

Unlike endocrine glands, exocrine glands utilize ducts to release their secretions.

Option A is correct.

How do we explain?

Exocrine glands release their secretions through ducts, while endocrine glands release their secretions directly into the bloodstream. The thymus and thyroid are endocrine glands.

Exocrine glands secretions can be either watery or viscous, and they can serve a variety of purposes, such as lubrication, digestion, or protection.

Option A is correct.

Learn more about Exocrine glands at:

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When scientists analyze a rock for its age they are able to determine what events occurred and how it affected life. What do scientists deduce from this? A. over time life on earth has changed B. that life on earth has stayed the same C. determine which fossils are more dense D. determine soil settling rates on earth

Answers

over time life changed

Why will liquid 2 keep on burning even if the flame is dead

Answers

Since you provide no further information,

That Liquid 2 is very likely to contain alcohol. When the alcohol is ignited, it's not the liquid part that is burning. When the temperature around the alcohol is increased, the liquid will produce Vapors. this vapor is the one that keep burning

What type of mutation is the following: ATCGAC to TTCGACa)point
b)insertion
c) deletion

Answers

Answer:

c) deletion is the type of mutation in the following

The answer is a) point.

What is another term for a texture where some crystals are visible to the unaided eye while others are not?A. aphanitic
B. phaneritic
C. pegmatitic
D. porphyritic

Answers

D. porphyriticThe word porphyritic is a descriptive adjective that describes certain textures of rock under igneous category. This type of texture can either be aphanetic (with fine crystals that cannot be seen by an unaided eye) and phaneritic with large enough crystals visible.

Changes in the gene pool can occur due to various mechanisms. In 1989, a large oil spill occurred in Prince William Sound, Alaska, when the Exxon Valdez oil tanker ran aground. Approximately 11 million gallons of oil were spilled and spread 1,300 miles along the Alaskan coastline. The damage from the oil spill affected thousands of animals in the area, including killer whales, harbor seals, sea otters, fish, and sea birds. Which mechanism most likely affected the gene pools of the organism populations in the areas around the oil spill?

Answers

Answer:

genetic drift

Answer:

genetic drift

Explanation:

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