allele
a
blastocyst
a
embryonic stage
a
fertilization
a
fetal stage
a
genes
a
genetic counseling
a
genome
a
genotype
a
heterozygous
a
homozygus
a
Karyotype
a
mosaicism
a
Monosomies
a
Morula
a
mutation
a
phenotype
a
placenta
a
preembryonic stage
a
teratogen
a
trisomies
a
trophoblast
a
umbilical cord
a
zona pellucida
a