Exam 2
reduce the chromosome number by 1/2
The process of meiosis will ____ as the gametes are produced.
fibroblast
A cell that forms fibrous connective tissue would be called a _____.
50%
A non-albino female who is heterozygote for the albino gene (Aa), mates with an albino (aa) male. What is the chance that their child will be albino?
blood
A tissue that has a fluid matrix is _______.
functions as an insulator and a site of energy storage
Adipose tissue
genotype; phenotype
An organism's genetic makeup is its _____, while its physical appearance is its ______.
two haploid cells; four haploid cells
At the end of meiosis 1, there are ____, whereas at the end of meiosis 11, there are ______.
tightly packed cells
Epithelial tissue is characterized by which of the following?
it has few, if any, blood vessels
Cartilage heals slowly after an injury because
osteocytes
Cells that maintain bone are called ____.
gametes
Cells used for sexual reproduction are called?
dense regular collagenous tissue
Connective tissue in tendons is
there is a 100% chance that the child will not be albino
If an albino (aa) mates with a person homozygous for normal pigment (AA)
46; 23
If human's somatic cells have _____ chromosomes, while reproductive cells (gametes) have _____.
sperm cells and oocytes
Meiosis produces _____ in humans.
crossing over
One of the processes that help ensure the genetic diversity of gametes is the exchange of genetic material between non-sister chromatids during meiosis. This process is called?
anaphase 11
Sister chromatids are pulled apart in
mesoderm
The embryonic germ layer that is the source of connective tissue and muscle is ______.
contains no blood vessels
The epidermis
epithelial, connective, muscle, and nervous
The four primary skin tissues are
homozygous dominant
The genotype WW is best described as
Detaction of heat and touch
The integumentary system has many functions, one of which is
autosomes
What are the chromosomes that are NOT associated with sex determination called?
x- linked
What are the genes on the X chromosomes?
homologous pairs
What are the pairs of chromosomes (one from mom and dad) called?
desmosomes
What is the disc-shaped structure with especially adhesive glycoproteins around each cell that binds cells to one another?
Both oogenesis and spermatogenesis produce for functional gametes
When comparing oogenesis and spermatogenesis, which of the following is NOT true?
All of the choices are correct
Which of the following findings of Mendel's work are currently accepted as a valid explanation of genetic inheritance?
XY
Which of the following genotypes will result in a male?
secretion and absorption of molecules
Which of the following is a function of epithelial tissue?
axon
Which of the following is associated with nervous tissue?
The epidermis is nourished by blood vessels
Which of the following statements concerning the epidermis is true?
heterozygous
Which term means that a person has two different alleles of a particular gene?
homozygous
Which term means that both alleles of a gene are the same?
stratified squamous epithelium
Which type of epithelial tissue is most likely found in the mouth?
cardiac muscle
Which type of muscle is found in the wall of the heart?
nervous tissue
Which type of tissue contains cells called neurons?
Epithelial tissue
Which type of tissue forms linings or coverings?
connective tissue
Which type of tissue possesses an abundant extracellular matrix?