How many chromosomes do humans have?
46
23
22
1
11
In meiosis mitosis blastocytes Apoptosis( meiosis, mitosis, blastocytes, Apoptosis ), chromosome pairs come together and cross over, then the cell splits resulting in cells with half the amount of chromosomes as the original cell.
The two forms of the same gene given by each parent are called...
Alleles
Chromosomes
Chromosome pairs
Transcription
Someone with genes BB (B = brown eyes dominant, b = blue eyes recessive ) will be...
Brown eyes - Homozygous
Blue eyes - Homozygous
Brown eyes - Heterozygous
Blue eyes - Heterozygous
Which of the following can prenatally diagnose problems with chromosomal abnormalities?
Amniocentesis
Chorionic villus sampling
Ultrasound
X-Ray
Nuchal transluscency
Urine testing
What are the phases of prenatal development
Germinal
Embryonic
Fetal
Infancy
Labour
Birthing
At which phase is the highest susceptibility of teratogens?
Postnatal
Preconception