Answers to GENETICS exam 2011

Click here to view the answers from last years NCEA exam

Equations YOU MUST KNOW!!!!!!!!!!!!!!!

Two equations that will help you to predict the products formed from equations are below. You must know this in order to write word equations, and then balance them.

ACID + BASE --> METAL SALT + WATER    (Neutralisation reaction)

(Bases can either be Metal Oxides or Metal Hydroxides)
(Acids will either be Sulfuric acid, Hydrochloric acid and Nitric acid)

ACID + CARBONATE --> METAL SALT + WATER + CARBON DIOXIDE

(Evidence of Carbon dioxide, bubbling. Gas can be tested using limewater)

Good luck!!

Answers to practice ACIDS/BASES exam 2011

Click here to view answers for 2011 practice exam

Chicks' genders revealed (sex linked traits)

Genders revealed......
Sorry Fran you are a male.....now called Frank
Inigo..........luckily we gave you such a manly name!
Benedict and Pingu our two cute soon to be hens!!
Find out more about how sex can be determined in young chicks using secondary sex characteristics in sex linked traits
http://www.ehow.com/how_6101169_tell-barred-rock-baby-chicks.html

The 'cute chicks' in B11

Inigo the 'fourth born' - a real attention seeking and needy chick who is just so cute!

   Left to right - Fran (Frank), Inigo (photo bombing!), Pingu, and Benedict,

Pingu, Fran (who we think is the most dominant of the chicks at this stage), and the others enjoying their first experience of grass.

Inigo and Benedits (youngest and oldest) snuggle up.