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.
Answer
meiosis
mitosis
blastocytes
Apoptosis
Question 3
Question
The two forms of the same gene given by each parent are called...
Answer
Alleles
Chromosomes
Chromosome pairs
Transcription
Question 4
Question
Someone with genes BB (B = brown eyes dominant, b = blue eyes recessive ) will be...
Answer
Brown eyes - Homozygous
Blue eyes - Homozygous
Brown eyes - Heterozygous
Blue eyes - Heterozygous
Question 5
Question
Which of the following can prenatally diagnose problems with chromosomal abnormalities?
Answer
Amniocentesis
Chorionic villus sampling
Ultrasound
X-Ray
Nuchal transluscency
Urine testing
Question 6
Question
What are the phases of prenatal development
Answer
Germinal
Embryonic
Fetal
Infancy
Labour
Birthing
Question 7
Question
At which phase is the highest susceptibility of teratogens?