unit 5 Flashcards
syndrome that results from XXY
klinofelter
Trisomy 21
down syndrome due to extra chromosome
Dominant autosomal fatal disease that shows symptoms during middle age
huntington’s disease
results from trisomy 18
Edward’s syndrome
Having 2 of the same allele
homozygous
Picture of a person’s chromosome is called
karyotype
Also called a hybrid, two different Alleles
heterozygous
Family tree showing a trait or a disease in the family history is called
Pedigree
Holds sister chromatids together is called
Centromere
Hidden by dominant allele
Recessive
Another word for homozygous
Purebred
Only carried on the 23rd pair on the Z chromosome is called
sexlinked
The long part of a chromosome is called a
Q-arm
Full number of chromosomes (for humans it’s 46)
diploid
triplet of a certain chromosome
trisomy
another word for heterozygous
hybrid
short arm of a chromosome
P-arm
only one of a chromosome instead of 2
monosomy
Trisomy 13
Patausyndrome
Represents male in a pedigree
Square
This is a mistake in meiosis that results in the wrong number of chromosomes
Nondisjunction
Monosomies and trisomies results from the wrong number of these
chromosomes
Number of chromosomes in gametes
Haploid
Person has the allele and can pass it but does not have trait
carrier
2nd or 3rd dosage of a vaccine
booster
Division that results in formation of gametes
meiosis
present at birth
congenital
end of chromosome
telomere
protects against viruses
vaccine
