Describe Range: (idk)

Biology

1 answer:

Iteru [2.4K]3 years ago

8 0

Answer:

Well if you mean species, it means the range or distribution of a species is the geographical area or habitat where the species live.

Explanation:

It would help if you could be more specific, But i hope it helps!!

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-Huntington's

Juliette [100K]

A pedigree is the representation of family history. 1) I.1, II.2, II.3, II.7, III.3 / 2) Dominant / 3) Six / 4) 2 girls, 1 affected / 5) niece-uncle and grandma-grandson

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Huntington's disease is an autosomal dominant affection.

It is expressed by heterozygous individuals, meaning that only one copy of the altered gene is enough to express the phenotype.

The mutated gene is the dominant one.

I will answer these questions according to the attached pedigree.

A pedigree is the representation of family history through which it is possible to follow the inheritance pattern of certain traits.

To correctly interpret a pedigree, we need to consider that,

Squares represent males or men,
Circles represent females or women.

Solid figures represent affected individuals,
Empty figures represent normal individuals.

Roman numbers indicate generations.

Individuals can be identified using numbers, genotypes, names, or others.

1. Which members of the family above are afflicted with Huntington's Disease?

I.1 ⇒ Man of the first generation

II.2, II.3, II.7 ⇒ Two women and one man of the second generation

III.3 ⇒ One woman of the third generation.

2. There are no carriers for Huntington's Disease- you either have it or you don't. With this in mind, is Huntington's disease caused by a dominant or recessive trait?

Huntington's disease is caused by a dominant allele. So a single altered gene is enough to express the affection.

3. How many children did individuals l-1 and 1-2 have?

They had six children.