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Kenny 3

Genetics

QuestionAnswer
Sections of DNA code for specific proteins Genes
How traits are passed from parents to offspring Genetics
How could a cross between two yellow seeded pea plants result in green seeded offspring? Both yellow seeded pea plants have the recessive green seed gene
If two human parents can roll their tongues, and one of their four children can't, how do you explain why? Both parents carry a recessive gene for non-tongue rolling
One parent is a non-tongue roller (TT) and the other is a tongue roller (tt)If you use a Punnett square how would you describe their possible offspring All children who carry the non-tongue rolling gene (Tt) will be tongue rollers
What are the possible blood types for offspring of a female parent who has type O blood and a male parent who has type AB blood? Type A blood or Type B blood because Type O blood is recessive to A and B genes
If a boy is colorblind which parent contributed the gene? His mother because the boy receives his x chromosomes from his mother and his y chromosome from his father
Which genetic disorder does an extra copy of chromosome 21 cause? Down Syndrome
Which substance determines the physical and chemical traits of an individual? Proteins
Hemophilia is a recessive sex linked trait. If a female carrier (X,Xh) has a son with a normal male (XY) what percent chance does the son have for being a hemophiliac? 50%
Can alcohol cause a mutation that in turn causes cancer? No, Alcohol has not been linked to cancer
Can two parents with type A blood have a child with Type O blood? Yes, if both parents carry the O gene
Created by: cgregory
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