A&P Chapter 24
a genotype is a status of an individual that is based on the combination of alleles for one gene or many
True
The blood vessels of the embryo are formed by the end of the t
third week
genes that appear on the x chromosome are referred to as the x-linked
true
when the embryo is impaneled in an area other than the uterus the condition is called an ectopic pregnancy
true
The structure that forms a fluid filled ac is the
amnion
human games contain 46 chromosomes
false
the flattened cell mass developed during the early embryonic stage, which has an outer ectoderm and an inner endoderm is called a chorion
false
After which day of development is the fetus considered to be full term?
266
The structure that forms during the third week of development, as a tube extending from the early yolk sac into the connecting stalk of the embryo is the
Allantois
an offspring between the eighth week and birth is referred to as an embryo
FALSE
the placenta produces all the following hormones except
Luteinizing hormone
The ectoderm forms
The nervous system
which of the following are identical cells that produced by early cleavage?
blastomeres
The trophoblast forms the
chorion
The mass of cells that is formed after many cells divisions following fertilization is called a
morula