1. Human autosomal recessive traits typically show which of the following in inh
ID: 210379 • Letter: 1
Question
1. Human autosomal recessive traits typically show which of the following in inheritance patterns...? (choose all that apply)
a. they typically appear with equal frequency in males and females
b. they are less frequent in families with high degrees of cosanguinity (inbreeding)
c. they can skip generations
d. when both parents are carriers, all of their children will express the trait
e. when both parents are affected, only half of their children will express the phenotype
2. Which of the following is NOT a disadvantage when studying human genetics ?
a. Small family sizes
b. Very difficult to establish parent-children relationships (build a genealogical tree)
c. Many of the interesting traits (e.g. diseases) are polygenic
d. Difficult to control environmental conditions
3. Human autosomal dominant traits show which of the following usual characteristics ? (choose all that apply)
a. they do not skip generations
b. when a parent shows the trait, all of his/her children will express the trait as well
c. they typically appear with equal frequency in males and females
d. half of the children of unaffected parents will express the trait
A mother affected by a recessive condition has 3 boys with an unaffected man, none of whom inherits the condition. Which of the following could you conclude about the condition ..?
Explanation / Answer
1.Human autosomal recessive traits typically show they typically appear with equal frequency in males and females in inheritance patterns.
2.when studying human genetics Very difficult to establish parent-children relationships (build a genealogical tree) not disadvatages.
3.Human autosomal dominant traits show half of the children of unaffected parents will express the trait.
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