Anatomy 5

An allele is able to mask the expression of its partner allele is said to be ________.

Implantation begins six to seven days after ovulation.

The ________ develops into the female duct system

A weight gain of approximately 13 Kg (about 28 lb) usually occurs during pregnancy.

Fertilization occurs while the egg is still in the ovarian follicle.

Linked genes are _______.

The main component of semen is sperm

Leads to the establishment of the three primary germ layers.

Codominant alleles are present in ________.

Human papillomavirus.

The X and Y sex chromosomes are the best examples of homologous chromosomes.

__________ Occurs when a woman has a deformed or male-like pelvis, resulting in prolonged and difficult labor; this condition can lead to fetal brain damage, ultimately causing cerebral palsy or epilepsy.

A person’s genetic makeup is referred to as his or her genotype.

The _______ is shed during menstruation.

An Apgar score of 8 to 10 indicates a healthy baby.

Which of the following is true about meiosis?

Which of the following is considered a primary sex organ in males?

Which of the following is FALSE regarding the female sexual response?

The period from fertilization through week eight is called the embryonic period.

Chromosomes that have undergone crossing over line up individually along the spindle equator.

Treponema pallidum.

Tetrads align randomly on the spindle equator.

Many genetic disorders, such as albinism, cystic fibrosis, and Tay-Sachs disease, are inherited as simple recessive traits.

The prostate atrophies as a man ages, and it usually causes no health problems.

Leads to the development of a morula and then a blastocyst.

Which of the following occurs 17-20 weeks into pregnancy, during the fetal period?

When it is cold, the scrotum is pulled away from the body.

_________ refers to an event that occurs from the time of fertilization (conception) until the infant is born.

For successful fertilization to occur, coitus must occur NO more than ________ and NO later than _________.

Implantation begins six to seven days after ovulation

When the two alleles controlling a trait are different, the individual is _________ for the trait.

Red-green color blindness exhibits ________ inheritance.

By the end of the third month of pregnancy, the placenta is usually fully functional as a nutritive, respiratory, excretory, and endocrine organ.

How many chromosomes are in a normal haploid human cell?

Human herpes simplex virus.

Leads to the formation of the first cell of the new individual

Amniocentesis and chorionic villus sampling are both examples of a category of genetic screening called _______.

Embedding of the blastocyst in the uterine wall.

Use the following information to solve the problem using a Punnett square: Assume that the dominant B allele encodes for brown eyes and the recessive b allele encodes blue eyes. AN individual with the genotype bb has children with an individual of the genotype Bb. What is the percent change that they would have children with blue eyes?

€�Coitus interruptus” is among the most effective birth control methods.

The process of implantation generally begins ________ and is usually completed by z____.

The ______ of the mammary glands are responsible for producing milk during lactation.

Leads to enhancement of sperm motility and increasing membrane fragility to enable enzyme release from acrosomes.

In humans, the extraembryonic membrane that composes the structural base for the umbilical cord is the ________.

Homologous chromosomes separate.

In response to warmth, the scrotum _______.

The first major event in organogenesis is gastrulation.

It is necessary for the testes to be kept below body temperature for abundant, viable sperm formation.

________ is a sexually transmitted disease that is associated with cervical cancer.

The area for the sperm cell that contains many mitochondria is the ________.

Choose the FALSE statement about oogenesis.

The ectoderm is the primary germ layer from which the digestive, respiratory, and urogenital systems and the associated glands form.

The pH of the adult vagina is normally ________.

Conversion of haploid spermatids to functional sperm is specifically called ______.

The functional layer of the endometrium is shed in response to _________.

_________ and _________ are both hormones and powerful uterine muscle stimulants that cause contractions to become more frequent and more vigorous.

The diploid chromosome number in humans is _________.

______ stimulates the anterior pituitary to release follicle-stimulation hormone (FSH) and luteinizing hormone (LH).