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Zolol [24]
3 years ago
12

A man who is an achondroplastic dwarf with normal vision marries a color-blind woman of normal height. The man's father was 6 fe

et tall, and both the woman's parents were of average height. Achondroplastic dwarfism is autosomal dominant, and red-green color blindness is X-linked recessive. What proportion of their sons would be color-blind and of normal height?
Biology
1 answer:
seraphim [82]3 years ago
4 0

Answer:

Half.

Explanation:

Autosominal dominant trait are express are able to express themselves in the homozygous dominant as well as in the heterozygous condition. The X-linked recessive traits are mostly expressed in males since they have only one X chromosome. Female shows X linked recessive trait when her both X chromosome are affected.

The achandroplastic dwarf man with normal vision is married with a color blind woman with normal height. The mother is affected with vision, she definitely pass this trait to his son. The male is affected with achondroplastic (may be homozygous dominant or heterozygous) and the female is normal (homozygous recessive). The probability can be calculated including both the achandroplastic and vision trait. Half of the males are color blind with normal height (multiplying the probability of vision and achandroplatic trait).

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6 0
3 years ago
Neurotransmitters can __________________ receptors to turn them on or __________________ them to stop them from transmitting.
NikAS [45]

Neurotransmitters can excite receptors to turn them on and stop them from transmitting.

A neuron releases a signaling chemical called a neurotransmitter across a synaptic gap to influence another cell. Any major body component or target cell that receives the signal may be another neuron, but it could also be a gland or muscle cell. These signals enable you to move your limbs, experience sensations, maintain your heartbeat, as well as receive and process all the information your body receives from other internal body components and your environment. From one neuron (nerve cell) to the following target cell, neurotransmitters transfer chemical signals, or "messages."

The majority of estimates suggest that the neurotransmitter transient lasts only a few hundred to several hundred of microseconds, indicating that post-synaptic activation is marked by a significant degree of non-equilibrium.

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5 0
2 years ago
ILL GIVE U BRAINLYIST
Vitek1552 [10]

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3 0
2 years ago
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<h3>What is gravitational force?</h3>

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Therefore, the action that will directly affect the gravitational force between two objects is increasing the pressure on the objects.

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1 year ago
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Answer:

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