7th Grade, DNA Part 2 Question Preview (ID: 60706)


Genetics. TEACHERS: click here for quick copy question ID numbers.

Which human trait is controlled by a single gene with multiple alleles?
a) blood type
b) height
c) dimples
d) skin color

Colorblindness is a sex-linked trait. That means that it will appear...
a) more in males
b) more in females
c) equally in males and females
d) only in animals

An organism that has the same genes as the organism that produced it is called a
a) clone
b) hybrid
c) genome
d) pedigree

Inbreeding and hybridization are two different types o f
a) selective breeding
b) cloning
c) gene therapy
d) genetic engineering

Small rings of DNA called ___ are found in some bacterial cells.
a) plasmids
b) plasmas
c) helixes
d) ellipses

By using a stem cutting from an African violet, it is easy to produce a new plant, which is a
a) clone
b) sibling
c) mutation
d) hybrid

A female's sex chromosomes are
a) XX
b) XY
c) YY
d) pink

The only thing determined by the genes carried on a sex chromosome is a person's sex.
a) false
b) true
c)
d)

The body cells of humans contain ___ pairs of chromosomes
a) 23
b) 46
c) 12
d) 24

In the case of sex-linked traits, ___ are carriers.
a) females
b) males
c) both females and males
d) babies only

Which sex chromosome carries less information?
a) Y
b) X
c) they both have the same amount of information
d) they don't carry any information

Blood type A is
a) codominant with B
b) dominant while B is recessive
c) recessive while B is dominant
d) recessive with B while O is dominant

A trait like dimples, where you have them or you don't, is an example of
a) single gene, two alleles
b) single gene, multiple alleles
c) one trait, many genes
d) none of the above

We can insert DNA into the plasmid of a bacteria to produce
a) insulin
b) aspirin
c) hemoglobin
d) iron

Breeding two dogs that are good retrievers in the hopes that their babies will also be good retrievers is an example of
a) selective breeding
b) cloning
c) gene therapy
d) genetic engineering

Crossing two genetically different individuals to get the best traits from both parents is called
a) hybridization
b) inbreeding
c) gene therapy
d) cloning

Cloning is an accepted practice in the LCMS.
a) false
b) true
c)
d)

Which is NOT a concern about genetic engineering?
a) genetic engineering would make smarter people
b) genetically engineered organisms can harm the environment
c) genetic engineering can cause health problems in humans
d) genetic engineering can cause problems down the road

Taking a cutting from an African violet is an example of
a) cloning
b) selective breeding
c) inbreeding
d) hybridization

Inserting copies of a gene directly into a person's cells is called
a) gene therapy
b) dna extraction
c) selective breeding
d) hybridization

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