← Development Test
5 Written Questions
5 Matching Questions
- Sex chromosomes
- Recessive genes
- Disorders caused by recessive genes
- Most traits or characteristics are
- What?
•When?
•How?
- a E.g. Phenylketonuria (PKU)
.Inability to metabolise phenylalanine
.Cognitive deficits, seizures, shortened lifespan - b ONLY express the phenotype when seen in homozygous state (grey/blue/green eyes: bb)
- c Describing developmental change
- d polygenic
- e one of the 23 pairs of chromosomes in the human, contains genes that will determine the sex of the individual
X- chromosome
Y-chromosome
5 Multiple Choice Questions
- Fetus has precursors to male internal sex organs (Wolffian ducts)
- External genitalia female
•No internal female organs (undescended testes)
•Female gender identity, heterosexual orientation - Researchers try to
understand how
genetic and
environmental
factors interact to
produce individual
differences in
behavior
(phenotypes - Do differences in FADS2 gene moderate the effect of breastfeeding on cognitive development?
- The likelihood that a particular gene will be expressed also depends on the environment
5 True/False Questions
-
0-7 weeks gestation → Internal and external genitalia are not differentiated
.Fetus has precursors to female internal sex organs (Mullerian ducts)
.Fetus has precursors to male internal sex organs (Wolffian ducts) -
.8 weeks gestation → A gene on the Y chromosome controls teste development
.Testosterone causes in Wolffian system to develop and the Mullerian system is absorbed -
Questions in developmental psychology → 0-7 weeks gestation
.Internal and external genitalia are not differentiated
.Fetus has precursors to female internal sex organs (Mullerian ducts)
.Fetus has precursors to male internal sex organs (Wolffian ducts)
.8 weeks gestation
.A gene on the Y chromosome controls teste development
.Testosterone causes in Wolffian system to develop and the Mullerian system is absorbed -
Why? → Understanding the mechanisms of developmental change
-
Disorders caused by dominant genes → E.g. Phenylketonuria (PKU)
.Inability to metabolise phenylalanine
.Cognitive deficits, seizures, shortened lifespan
Regenerate Test