mating and parenting Flashcards
what are the primary sex characteristics of males and females at birth
females- ovaries
males-testes
what are the secondary sex characteristics of males and females for puberty
females- enlarged hips/breasts
males-facial hair/deep voice
when does puberty occur
when the hypothalamus secretes gonadotropin releasing hormone
what is FSH
production of oestrogen and maturation of the ovum (female) and sperm production (male)
what is LH
production of progesterone, stimulates ovulation, testosterone
what is the reproductive cycle of other female mammals called
the oestrus cycle
what did Adams, gold and Burt study
sexual interest in women, fluctuations in ovarian hormone levels showed no effect on sexual behaviour but did effect sexual interest
what did consider wollen say
Women may engage in sexual behaviour to please her partner
what did Matteo and rissman study
lesbian couples, menstrual cycles likely to be synchronised, increase in sexual interest and activity during middle portion of cycle
what did slob et al conclude
Women rate an erotic video as more pleasurable and stimulating if they watch it during the periovulatory period
what are pheromones
chemicals released by one animal which affects the behaviour of physiology of another
what is the lee boot effect
When female rats are housed together, their oestrus cycles slow downand eventually stop
what is the whiten effect
If groups of females are exposed to the odour of a male they start cycling again and their cycles tend to be synchronised
what is the Vandenbergh effect
Early onset of puberty in female rats housed with males
what is the brace effect
Pregnancy of a recently impregnated female mouse is likely to fail if she encounters a male other than the one she mated with
