Question

A man who is achondroplastic dwarf with normal vision marries a color-blind woman of normal height. The man's father was six feet 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 ?

1. All

2. None

3. Half

4. One out of four

Answer 1

Answer:

Option B is the right ans of the question

Answer 2

None of the offspring will be having the recessive character.

Option 2

Explanation:

• this is according to the law of dominance of Mendel. It states that if there are two contrasting allele then the dominant allele will take the place and not the recessive character.
• Here it is said that the colour blindness is a recessive character but the dwarfism is a dominant character. Hence the normal height and the colour blind character will not be present in any of the heterozygous individual

To know that,

State mendel's law of dominance. Brainly.in

https://brainly.in/question/3127464