7th Grade Ch 5 Lessons 2 And 3.1 Question Preview (ID: 40737)


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

What do the squares on a pedigree represent?
a) male
b) female
c) carriers
d) has the trait

When the offspring's phenotype is a combination (mixing) of the parents' phenotypes, it is known as
a) dominance
b) recessive
c) incomplete dominance
d) codominance

When both alleles can be observed in a phenotype (like spots), it is called
a) dominance
b) recessive
c) incomplete dominance
d) codominance

Phenotypes are only affected by genes.
a) true
b) false
c)
d)

When multiple genes determine the phenotype of a trait, it is called
a) codominance
b) incomplete dominance
c) polygenic inheritance
d) multiple alleles

Erwin Chargaff discovered
a) chemical information about DNA
b) the shape of DNA
c) that DNA existed
d) that pea plants have DNA

An organism's genetic material is called
a) mRNA
b) DNA
c) tRNA
d) rRNA

A molecule made of a nitrogen base, a sugar, and a phosphate group
a) double helix
b) monomer
c) nucleotide
d) chromosome

The shape of DNA
a) single helix
b) double helix
c) triple helix
d) spiral square

Who used X-Rays to study the shape of DNA?
a) Franklin and WIlkins
b) Watson and Crick
c) Chargaff
d) Mendel

Who build a model of DNA
a) Franklin and Wilkins
b) Watson and Crick
c) Chargaff
d) Mendel

What do the squares on a pedigree represent?
a) male
b) female
c) carriers
d) has the trait

EE is
a) heterozygous
b) homozygous
c)
d)

If the two alleles of a gene are different, its genotype is
a) holozygous
b) homozygous
c) heterozygous
d) hematozygous

R is round and r is wrinkled. What is the genotype of Rr?
a) Rr
b) round
c) wrinkled
d) RR

R is round and r is wrinkled. What is the phenotype of Rr?
a) Rr
b) round
c) wrinkled
d) RR

The different forms of a gene are called
a) traits
b) chromosomes
c) alleles
d) peas

A section on a chromosome that has genetic information for one trait is called a
a) gene
b) allele
c) phenotype
d) genotype

What contains genetic information that controls traits?
a) ribosomes
b) chromosomes
c) centrioles
d) spindles

How a trait appears, or is expressed, is the trait's
a) appearotype
b) genotype
c) expressotype
d) phenotype

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 40737 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links