Ch.12 Part 1 (Heredity) Question Preview (ID: 40008)


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Multiple genes determine a trait
a) incomplete dominance
b) codominance
c) polygenic inheritance
d) genetics

When the offspring's phenotype is a combination of the parents' phenotypes
a) codominance
b) polygenic
c) genetics
d) incomplete dominance

Model used to predict possible offspring
a) punnett square
b) pedigree
c) genotype
d) phenotype

Two different letters, 'Tt'
a) heterozygous
b) homozygous
c) polygenic
d) alleles

Two of the same letters. 'TT' or 'tt'
a) heterozygous
b) homozygous
c) polygenic
d) allele

Two alleles that control the phenotype of a trait
a) genotype
b) phenotype
c) allele
d) gene

How the trait appears, what you PHysically see
a) genotype
b) allele
c) DNA
d) PHenotype

Different forms of a gene are called
a) chromosomes
b) DNA
c) alleles
d) genes

A section of a chromosome that has genetic info for ONE trait
a) allele
b) gene
c) DNA
d) chromosomes

'tt' is also.... (PICK WISELY)
a) Recessive
b) Homozygous
c) purebred
d) ALL ARE LOVELY!

Tt is also know as (BE CAREFUL!)
a) hybrid
b) dominant
c) heterozygous
d) THEY ALL ARE CORRECT

TT or tt is an example of?
a) Hybrid
b) Homozygous
c) Heterozygous
d) Dominant

A trait that MIGHT show up, shown with a little letter
a) Polygenic
b) Hybrid
c) Dominant
d) Recessive

A trait that MUST show up, shown by a capital letter.
a) Recessive
b) Dominant
c) Polygenic
d) Hybrid

HOW traits are passed from parent to offspring (study of)
a) Genetics
b) Heredity
c) Evolution
d) Science

The passing of traits from parent to offspring.
a) Heredity
b) Genetics
c) Evolution
d) Science

When both alleles can be observed in a phenotype
a) incomplete dominance
b) codominance
c) polygenic inheritance
d) genetics

If we have 6 yellow and 2 green what is the ratio of yellow to green?
a) 3:1
b) 1:3
c) 6:2
d) 2:6

If there are 10 guys and 20 girls what is the ratio of GIRLS to GUYS?
a) 20:10
b) 2:1
c) 10:20
d) 1:2

Which of the following is IMPOSSIBLE
a) Heteorzygous purebred
b) Homozygous purebred
c) Heterozygous hybrid
d) Passing a science test :)

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