Genetics Question Preview (ID: 3701)


Std 4.5-4.9 SC. TEACHERS: click here for quick copy question ID numbers.

If plant has a recessive allele for pink flowers it will produce
a) pink flowers if it has a dominant gene for yellow flowers
b) pink flowers if it does not have a dominant gene for yellow flowers
c) Yellow flowers if both recessive alleles are present
d) no flowers

Tetrads are
a) chromosomes
b) genes
c) alleles
d) traits

In metaphase chromosomes
a) move to the ends
b) line up in the center
c) dissolve
d) multiply

The stage where two cells start to form
a) teleophase
b) metaphase
c) anaphase
d) prophase

In this phase the chromosomes are not really visable
a) interphase
b) prophase
c) anaphase
d) telophase

The physical representation of a trait
a) phenotype
b) genotype
c) recessive
d) dominant

The chance that human offspring would be male?
a) 25
b) 50
c) 75
d) 100

The process of making changes in the DNA code of living organisms
a) genetic engineering
b) inbreeding
c) nondisjunction
d)

Colorblindness is more common in males than females because
a) it is located on X chromosome and is recessive
b) it is located on Y chromosome and is recessive
c) it is located on X chromosome and is dominant
d) it is located on Y chromosome and is dominant

What is advantage of transgenic wheat?
a) all of the above
b) increasing food supply
c) plants resistant to drought
d) plants resistant to bugs

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