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In the human male, sperm is produced in the
Testes
Which of the following houses the growing and developing fetus?
Uterus
Where does the fertilization of the egg occur?
Uterine Tubes
In the human female, the typical uterine cycle is an average of:
28 days
Secondary sexual characteristics in the male are directly maintained by the hormone:
Testosterone
Secondary sexual characteristic in the female are directly maintained by which hormones?
Estrogen
The lining of the uterus that is discharged during the menstrual phase is the:
Endometrium
After an egg is released from the ovary it travels where next?
Uterine Tube
What provides oxygen, carbon dioxide and nutrients to the developing fetus?
Placenta
After childbirth a mother may nurse (breast feed) the baby. What is the first substance the baby received that is described as thin, yellow, milky fluid rich in protein and antibodies?
Colostrum
An individual’s physical characteristics or appearance is known as their:
Phenotype
The letters used to describe the genes passed on to offspring (children), such as FF, Ff and ff are called the:
Genotype
The ability to roll the edges of the tongue upward in a U-shape is inherited as a dominant trait. Which of the following genotypes would produce an individual that can roll their tongue?
TT and Tt
In humans, widow's peak (W) is dominant over straight hairline (w). If a heterozygous male (Ww) marries a female with a straight hairline (ww), what percent of their children can be expected to have widow's peak?
50%
In the following pedigree, what does the colored circle indicate?
An affected daughter
The hereditary material found in all cells is:
DNA
The enzyme that is used to join DNA nucleotides (A,T,C,G) together is:
DNA Polymerase
The function of transfer RNA (tRNA) is to:
Carry amino acids to mRNA (and Ribosomes)
A sequence of mRNA that is removed (because it is not needed) during transcription is a(n):
Intron
What is the name of process that makes proteins?
Translation
How many bases on mRNA equal one codon?
3
In DNA which nucleotide bases bond with each other?
Both C-G and A-T
In RNA which nucleotide bases bond with each other?
U-A
Trisomy 21 is called:
Downs Syndrome
When the ovary releases and egg it is called:
Ovulation
Which of the following can be caused by problems with chromosomes such as receiving an extra copy of a chromosome?
All of the above
What is A pointing to (round objects)?
Amino acids
What is B pointing to (chain of round objects)?
Polypeptide chain
What is C pointing to?
mRNA with codons
What is D pointing to?
Ribosome
What is E pointing to?
tRNA with anticodons
Who is more impacted (has the disease) by the disease shown?
Males
The pedigree shows the distribution of an X-linked disease.
True
Females are much more likely to be carrier than actually have the disease.
True
Widow's peak (W) is dominant over straight hairline (w). If a homozygous (for widows peak) male (WW) marries a female with a straight hairline (ww), what percent of their \n children can be expected to have widow's peak?
100% (Ww)
What if both parents were heterozygous for widow’s peak (Ww), what percent of children would likely have widows peak?
75%
What amino acids do the following codons code for?
AUG: Start/Methionine \n CAA: Glutamine \n AAG: Lysine \n UAG: Stop \n GGC: Glycine
The police are investigating a crime. They found DNA at the crime scene and ran it through gel electrophoresis to determine to examine the DNA fragments. The police had two suspects in connection to the crime and also ran their DNA. Which of the suspects do you think the police will charge with the crime?
Suspect B
A sample of DNA was taken from hair and sequenced, as was the DNA of the victim and 3 suspects. Who’s DNA matches the sample?
Suspect 3
Of the following, which are 6 defects or diseases that can result when there are problems with chromosome 19. (7)
Colorectal cancer, Muscular dystrophy, Deafness, Atherosclerosis (hardening of arteries), Alzheimer’s, Hemolytic anemia, Acute myeloid leukemia, Insulin resistant diabetes mellitus
