Transcript Genetics Review

Genetics Review
Question # 1
These are sections of chromosomes that
code for a trait.
A gene
Question # 2
This is a characteristic that can be passed
from parent to offspring.
Trait
Question # 3
This is a photograph of all the organisms
chromosomes.
Karyotype
Question # 4
Failure of chromosomes to separate
during cell division is called what?
Nondisjunction
Question # 5
This is when a zygote has only 1 copy of a
chromosome instead of 2.
Monosomy
Question # 6
The genetic make-up of an organism is
called what?
Genotype
Question # 7
This type of allele in not fully expressed
when paired with a dominant allele.
A recessive.
Question # 8
What do you call two alleles in a gene pair
that are identical?
Homozygous
Question # 9
I have this disease because I can’t
produce melanin.
Albinism
Question # 10
What do you call an organism that
receives different forms of a genetic trait
from each parent?
Hybrid
Question # 11
If you flip a coin, this is the probability
you’ll get tails?
½
Question # 12
T or F: Probability can be represented by a
pedigree.
False
Question # 13
RrGg x RrGg represents this type of
cross?
Dihybrid Cross
Question # 14
Mendel called his first generation of
offspring this?
First filial
Question # 15
What do you call it when two different
alleles for the same trait combine, but
neither allele wins expression?
Incomplete Dominance
Question # 16
Type AB blood is an example of this?
Codominance
Question # 17
What is the structure of DNA?
Double Helix
Question # 18
Give me the complimentary strand of this
DNA strand:
CCAGTAGTGAC
GGTCATCACTG
Question # 19
What do you call an organism that has two
different alleles for a trait?
Heterozygous
Question # 20
What are non-sex chromosomes called?
Autosomes
Question # 21
Hemophilia in humans is what type of
trait?
Sex-linked recessive
Question # 22
What do we call the presence of more
than 2 alleles for a gene?
Multiple alleles
Question # 23
What do you call a person that is
heterozygous for a particular trait?
A carrier
Question # 24
What do you call a cross made to study a
single trait?
Monohybrid cross
Question # 25
A sex-influenced trait are expressed how?
Only in one particular sex.