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3 years ago

A phenotype is...

Biology

1 answer:

Fantom [35]3 years ago

4 0

Answer:

Explanation:

the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

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Dna testing was commonly used in forensic science beginning in the 1920s. True or false?

Molodets [167]

Answer:

False.

Explanation:

I am almost entirely sure that DNA testing had not been discovered at this time, but regardless of whether that is true, the very first criminal case that DNA testing was used in occurred in 1985. So no, it was not used commonly in the 20's.

8 0

3 years ago

Read 2 more answers

Photosynthetic and chemosynthetic organisms can be called primary producers because they make their own food?

LenaWriter [7]

Heterotrophs are organisms that must consume food from other organisms because they are unable to synthesize their own food molecules.

<h3>What is heterotrophs?</h3>

An organism is referred to be a heterotroph if it is unable to manufacture food on its own and must obtain it from other sources of organic carbon, primarily plant or animal materials.
Heterotrophs are primary, secondary, and tertiary consumers in the food chain but not producers.
Because they eat producers or other consumers, heterotrophs are referred to as consumers.
Humans, dogs, and birds are all instances of heterotrophs.
In a food chain, a group of creatures that supply energy and nutrients to other organisms, heterotrophs occupy the second and third levels.
An organism is referred to as a heterotroph if it consumes other plants or animals for food and energy.
Its origins are in the Greek words hetero, which means "other," and trophe, which means "nutrition."
Autotrophs and heterotrophs are two main classifications of organisms depending on how they receive energy and nutrients.

Learn more about heterotrophs here:

brainly.com/question/21450466

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3 0

1 year ago

Which of the following disorder does NOT affect motor neurons?

STALIN [3.7K]

Answer:

The answer you are looking for is A.

7 0

3 years ago

What is an adaptation

ehidna [41]

Answer:

A adaptation is the action or process of adapting or being adapted

Explanation:

is mostly when a animal is adapted to something.

7 0

3 years ago

Achondroplasia is an autosomal dominant genetic disorder in humans. If a man with Achondroplasia ( heterozygous) and a normal wo

tresset_1 [31]

Answer and Explanation:

Achondroplasia is a form of dwarfism that affects the formation of cartilage; early in development, most of the skeleton is comprised of cartilage. Cartilage is a type of flexible, tough tissue; in achondroplasia ossification (conversion of cartilage to bone) is affected. Symptoms include an enlarged head, shorter upper and lower limbs, and limited motion at the elbow.

Punnett squares are illustrations that display the product of hybrid trait crosses by genetic breeding.

For this cross...

Assuming Achondroplasia= dominant

Parent generation or P generation:

gametes: An → Achondroplasia dominant (A), No Achondroplasia recessive (n)

Heterozygousity describes the allelic makeup; these traits comprise two varying forms of a gene. However, homozygous traits comprise identical forms of the gene.

Male: An → with Achondroplasia

Female: nn → without Achondroplasia

genotypes and phenotypes for parent and offspring...

Assuming heterozygousity of the male , for the cross

P generation: An × nn

Achondroplasia × No Achondroplasia

F1 generation:

genotype: An × nn ...(from punnet square)

phenotype: 2 with Achondroplasia ; 2 without

∴ 50% are genotypically heterozygous while 50% is homozygous , 2 with Achondroplasia ; 2 without

8 0

4 years ago