Science topic 9
what is the human chromosone diagram called
The Karotype diagram
where are the chromosones found
the nuclues
how many chromosones is there
46 but 23 pairs
what is the name for sex cells
gametes
what always contains 2 X chromosones
the egg
produces the male gametes
testes
where the egg develops
the uterus
what is the name for the release of an egg
ovulation
where does the egg get fertilised
the egg tube
the name for a newly fertilised egg
zygote
why does a man produce 300million sperm
soem are faulty and cant swim and so many are killed on the journey
what helps and support the baby
amniotic fluid
what is the name for the place where a baby recieves water and food from
placenta
what is a continuous variation
height, weight, handspan, resting heart rate
what is the criteria of an continous variation
it can be measured, happens across a range of values
what can be different aboht identical twins
the height because of a different DNA fold