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77julia77 [94]
3 years ago
12

1) What a are dominant genes and how do they work?

Biology
1 answer:
Oxana [17]3 years ago
4 0

Answer: More dominant than the  gene Recessive traits and typical overpower like blonde hair is recessive therefore making it more rare and brown hair is dominant making it the bigger gene.

Explanation:

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In a cross between two tall plants with yellow seeds that are heterozygous on both traits (TtYy), supposed Mendel discovered tha
lawyer [7]

Answer:.

A test-cross can reveal an unknown genotype. As the plants are heterozygous they sort independently of each other. when they are cross linked dominant genes express themselves in most of the cases whereas the recessive genes also express themselves resulting in the formation of tall and yellow plants and as well as  short and green plants.

Explanation:

  The impact of a single gene on more than one characteristic is called pleiotropy.  Mendel deduced from his results that each individual had two discrete copies of the characteristic that are passed individually to offspring.Mendel called the dominant allele the expressed unit factor; the recessive allele was referred to as the latent unit factor.Mendel’s law of dominance states that in a heterozygote, one trait will conceal the presence of another trait for the same characteristic. The recessive trait will only be expressed by offspring that have two copies of this allele and these offspring will breed true when self-crossed.

7 0
3 years ago
What is the cell membrane made out of
AlladinOne [14]

Answer:The Cell Membrane. All living cells and many of the tiny organelles internal to cells are bounded by thin membranes. These membranes are composed primarily of phospholipids and proteins and are typically described as phospholipid bi-layers.

6 0
3 years ago
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What happens when the parasympathetic nervous system is activated
kolezko [41]

Answer:

Body functions stimulated by the parasympathetic nervous system (PSNS) include sexual arousal, salivation, lacrimation, urination, digestion, and defecation. The PSNS primarily uses acetylcholine as its neurotransmitter. Peptides (such as cholecystokinin) may also act on the PSNS as neurotransmitters. The parasympathetic nervous system is composed mainly of the cranial and sacral spinal nerves.

Hope this helps! If so please mark brainliest!

6 0
3 years ago
What chemical compound do cells use to store and release energy
My name is Ann [436]
Adenosine triphosphate
ATP
3 0
3 years ago
Cellular respiration can best be described as Group of answer choices using energy released from breaking high-energy covalent b
pochemuha

Answer:

using energy released from breaking high-energy covalent bonds in organic molecules to force ATP formation from ADP and phosphate.

Explanation:

The cellular respiration involves the generation of energy for bodily activities. This is technically known as the Kreb's Cycle or citric acid cycle. This is the process through which the intracellular metabolism of glucose takes place. Specialized organelles, called mitochondria are responsible for the process. The organelles ensure that the breaking of the high energy phosphate bonds in the ATP monocle generate energy. Overally, the process is a hydrolysis process. This involves the movement of the hydrogen ions an the generation of 38 high energy phosphate bond breakages.

6 0
3 years ago
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