Exam 2: Biological Foundations: Heredity, Prenatal Development, and Birth

Born 39 weeks after conception, Sonto weighs in at around 1 kilogram. Given this information, Sonto is best defined as

______ occurs when an individual intentionally seeks out an environment that matches characteristics driven by his or her genes.

Your friend Thando is currently pregnant and attempting to learn about common birth complications and/or whether or not homebirth is a good option for her. She is 25 years old, in good health, and expecting her first child. Help her by first describing two birth complications and then discussing why a home delivery may be a viable option in her case.

After creating a child's DNA profile, behavioural geneticists can then look to see

Which physical characteristic is most indicative of an individual with Down syndrome?

Which best exemplifies the concept of incomplete dominance?

Because of his accurate knowledge of genetics and disorders, Bandile knows that his newborn son has no chance of having

The experimental CRISPR process, in which the genome is edited by replacing alleles, is an example of work in which field?

Doctors are currently able to correct spina bifida at around the seventh or eighth month of pregnancy using

A Caesarean section is best thought of as

Dino is approached by a mad geneticist who says he will pay Dino either R1 000 for each pair of his autosomes or R5 000 for each pair of his sex chromosomes. Assuming Dino wants to make as much money as possible, which offer should he take?

During prenatal development, the arm develops before the fingers. This most illustrates the ____ principle.

A knowledgeable nutritionist would tell a pregnant mother that, in order to reduce the risk of having a baby born with spina bifida, mom needs to make sure that she is ingesting an adequate amount of

A heritability coefficient is used to calculate the extent to which a characteristic is the result of genetics.

Ayanda is afraid of the pain involved in delivering her baby. Are prepared childbirth classes likely to help her?

Alisha is in for a routine prenatal check-up. Her gynaecologist is going over some potential environmental threats to her baby. Describe any three principles the doctor might discuss with Alisha that govern how teratogens could affect her baby's development.

As a behavioural geneticist, Jan would most likely be studying

The threadlike structures in the nucleus of a cell that contain genetic material are called

Genes provide the cell with a specific set of ____ instructions.

Lesedi and her doctor need to know as quickly as possible (hopefully within 24 hours) whether the child she has been carrying for only nine weeks possesses any genetic abnormalities. Which technique is Lesedi's doctor most likely to employ?