DNA And Genes (Level 2) Question Preview (ID: 61002)


Seventh Grade Genetics. Entry Level. TEACHERS: click here for quick copy question ID numbers.

A section of DNA that codes for a trait or protein.
a) gene
b) nucleus
c) chromosome
d) base pair

This structure holds and protects DNA.
a) mitochondria
b) ribosome
c) cell membrane
d) nucleus

A DNA structure that carries many organized genes.
a) allele
b) chromosome
c) ribosome
d) cytoplasm

A different form of a gene (brown hair vs. red hair).
a) chromosome
b) genome
c) allele
d) nucleus

The gene combination for a trait.
a) genotype (Aa)
b) phenotype (brown hair)
c) chromosomes
d) Base pairing (A = T)

Which allele is dominant?
a) a
b) T
c) b
d) r

Which allele is recessive?
a) A
b) B
c) T
d) r

What is a phenotype?
a) brown eyes
b) Bb
c) T = A or G = C
d) all 20,000 genes

What allele combination is heterozygous?
a) aa
b) dd
c) rr
d) Bb

What allele combination is homozygous recessive?
a) bb
b) Gg
c) AA
d) R

What allele combination is homozygous dominant?
a) Aa
b) TT
c) aa
d) g

Allele combination = Jj
a) homozygous recessive
b) homozygous dominant
c) heterozygous
d)

Allele combination = rr
a) homozygous recessive
b) homozygous dominant
c) heterozygous
d)

Allele combination = Ff
a) heterozygous
b) homozygous recessive
c) homozygous dominant
d)

All the genetic material to make an organism?
a) genome
b) genotype
c) gene
d) base pair

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: 61002 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links