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vicki science review

8 grade 4th 9 week review

________ is the physical feature of a trait. Phenotype
What is genotype? your genetic code for a trait.
A Nebulae is made up of _______ and _________. Gases, Dust.
What do we use to measure distances in space? Light years.
Sexually reprouduction has a advantage over asexually because __________________. it allows for more vartions among the offspring.
if the parnets have a homozygous dominant(TT) genotype what will not be passed on? The Recessive trait.
what is not apart of the constellations and why? PLanets, because they are always moving fast.
what are billions of starts called? Galaxies
what shaped is our Galaxy? Spiral
if 2 Parnet produce a offspring with a recessive trait but the parnets express dominant traits what is there genotype? Heterozygous.
if you have 2 homozygous dominant parnets what percent will the offspring be? 100% Dominant.
what bodies in the sky produce light? Stars.
comets are made up of ________ and ________. Ice and Dust.
True or False. Stars are born from gas and dust within a nebulae. True.
From the smallest to largest in size.Order these words Universe, Solar system, Galaxies. 1. solar system 2. Galaxies 3. Universe.
Created by: Meza123