2 years ago

According to the theory of isotasy which statement must be true

Biology

1 answer:

Rus_ich [418]2 years ago

3 0

The asthenosphere is denser than the lithosphere.

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Match each description to the correct step. Metaphase 11 Nuclear membranes form around each set of chromosomes. Prophase 11 Chro

zvonat [6]

Answer:

Metaphase ⇒ Chromosomes line up in the middle of the cell

Prophase ⇒ DNA condenses to form chromosomes

Anaphase ⇒ Each chromosome separates and moves to opposite ends of the cell

Telophase ⇒ Nuclear membranes form around each set of chromosomes

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2 years ago

A girl of normal stature is born to two parents with achondroplasia who have very short stature, especially disproportionately s

IRINA_888 [86]

Answer:

Explanation:

Achondroplasia is an autosomal dominant disorder that is expressed in both homozygous and heterozygous dominant genotypes. Since two affected parents have a normal girl child, both the parents should be heterozygous carrier for the disease. Let's assume that the dominant allele "A" is responsible for the disease. Genotype of both the parents of the girl would be "Aa". The genotype of girl with normal stature is "aa". Genotype of her normal partner is "aa".

A cross betwee aa X aa would get all the progeny with "aa" genotype. Therefore, all of their children would have normal stature and there is 0% probability for them to have a child with achondroplasia.