heredity and prenatal development Flashcards
sum total of all genes a person inherits
1
Q
phenotypes
A
the features that are actually expresses
2
Q
Genotype
A
sum total of all genes a person inherits
3
Q
punnet square
A
A chart that shows all the possible combinations of alleles that can result from a genetic cross
4
Q
Dominant vs. Recessive
A
-Dominant : More likely to show
-Recessive : Less likely to show phenotype(must have two to show unless sex-linked)
5
Q
monozygotic twins
A
identical (share placenta)
6
Q
dizygotic twins
A
fraternal (separated placenta)
7
Q
etopic pregnancy
A
Pregnancy that develops outside of the uterus.
8
Q
terarogens
A
Substances that cause damage to fetus as it develops in the womb. Ex: Drugs, alcohol, chemicals, enviromental facts
