Biology, 25.09.2019 18:00 sunpelt5830

Based on your understanding of sex linkage, describe in detail why most hemophiliacs are male. can females have hemophilia? describe how they could inherit this disorder. can males be carriers for hemophilia? explain.

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For sex-linked disorders like hemophilia, males are far more at risk for them than females. Why? Because most sex-linked disorders are on the X chromosome. Females have two, so unless they're heterozygous and the disorder is dominant, or they're homozygous for the recessive trait (or the dominant trait), they won't express the disorder. Males only have one X chromosome, for the most part, so if that one X chromosome has the disorder, they will express it. So it is possible for females to have hemophilia, but it is unlikely. Males cannot be carriers because they only have one X chromosome- they either have the disorder or they do not.
Hope that helped you.
(Use Punnett squares to help you!)

Answer from: Quest

d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports the evolution of earth due to chemical weathering.

hope it !

Answer from: Quest

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

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Based on your understanding of sex linkage, describe in detail why most hemophiliacs are male. can f...

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