In [blank_start]meiosis[blank_end], chromosome pairs come together and cross over, then the cell splits resulting in cells with half the amount of chromosomes as the original cell.
Respuesta
meiosis
mitosis
blastocytes
Apoptosis
Pregunta 3
Pregunta
The two forms of the same gene given by each parent are called...
Respuesta
Alleles
Chromosomes
Chromosome pairs
Transcription
Pregunta 4
Pregunta
Someone with genes BB (B = brown eyes dominant, b = blue eyes recessive ) will be...
Respuesta
Brown eyes - Homozygous
Blue eyes - Homozygous
Brown eyes - Heterozygous
Blue eyes - Heterozygous
Pregunta 5
Pregunta
Which of the following can prenatally diagnose problems with chromosomal abnormalities?
Respuesta
Amniocentesis
Chorionic villus sampling
Ultrasound
X-Ray
Nuchal transluscency
Urine testing
Pregunta 6
Pregunta
What are the phases of prenatal development
Respuesta
Germinal
Embryonic
Fetal
Infancy
Labour
Birthing
Pregunta 7
Pregunta
At which phase is the highest susceptibility of teratogens?