DNA structure
Mitosis
Reproductive Systems
Male hormones
Female hormones
ARTs
100
The shape of DNA like a twisted ladder
double helix
100
Type of cell division for growth and repair
Mitosis
100
Female organ where fertilisation usually occurs
fallopian / uterine tubes
100
Hormone that initiates sperm production. (0.5 if acronym only)
Follicle stimulating hormoes (0.5 for FSH)
100
Hormones produced by the ovaries
oestrogen and progesterone
100
What does IVF stand for
in-vitro fertilisation
200
State the base pairing rule
A-T, C-G
200
Cell division that produces gametes
Meiosis
200
Tube that carries sperm out of the body
urethra
200
Hormone produced in the testes
testosterone
200
Function of FSH
Initiates ovum (follicle) development
200
Name the ART: 1. sperm and egg are collected and mixed; 2. sperm and egg transfered into fallopian tubes; 3. Fertilisation occurs
Gamete Intrafallopian transfer (GIFT)
300
The building blocks of DNA
nucleotides
300
State the haploid number of chromosomes for this cell
4
300
Structure the arrow is pointing to (ignore the zoomed out view)
Epididymis
300
Function of Luteinising hormone
initiate sperm production
300
Effect of oestrogen of on the uterus
development of the uterine lining
300
Name one common risk of IVF
mutliple pregnancies / twins
increase cancer risk
400
Three parts of a nucleotide
sugar, phosphate, nitrogen base
400
State two comparisons between the daughter cells of meiosis and mitosis
Mit: diploid; mei: haploid
Mit: identical; mei: non-identical
Mit: no crossing over; mei: crossing over
400
Organ made of female and foetal tissue
Placenta
400
Two functions of testosterone
sperm production. Secondary sexual characteristics
400
Hormone that spikes to bring about ovulation
luteinising hormone (LH)
400
Name the ART
Intracytoplasmic sperm injection (ICSI)
500
Type of bond that holds two strands of DNA together
weak hydrogen (bond)
500
Describe 'crossing over'.
The swapping of DNA between homologous chromosomes
500
Structure that produces sugary fluid for sperm
seminal vesicles
500
Gland that produces FSH and LH
Pituitary gland
500
Structure that produces progesterone
corpus luteum
500
Name two barriers to couples using IVF
expensive, distance from IVF clinics, low quality gametes