Punnett Squares And Genetic Mutations Question Preview (ID: 41472)


Genetics. TEACHERS: click here for quick copy question ID numbers.

A __________________ is a disease that is caused by a change, or mutation, in an individual's DNA sequence.
a) pedigree
b) hybrid
c) genetic disorder
d) clone

Scientists from all over the world worked together to figure out the sequence of all of the genes within our bodies. The purpose was to correct genetic disorders or eliminate them altogether. What is this project called?
a) Human Genome Project
b) National Institute of Health
c) Association of Cloning
d) Selective Breeding

A heterozygous tall bean plant crosses with another heterozygous tall bean plant. What percent chance does the offspring have of being tall?
a) 0%
b) 25%
c) 50%
d) 75%

Black fur (B) is dominant over brown fur (b). What is the PHENOTYPE of all four offspring?
a) brown fur
b) black fur
c) Bb
d) BB

In mice, black fur (B) is dominant over white fur (b). If a hybrid black mouse is crossed with a purebred white mouse, what percentage of the offspring will have black fur?
a) 0%
b) 25%
c) 50%
d) 100%

The small segments of a chromosome that help code for a trait are called:
a) genes
b) proteins
c) genotypes
d) phenotypes

In guinea pigs, brown fur (B) is dominant over white fur (b). If a purebred brown guinea pig is crossed with a purebred white guinea pig, what percentage of the offspring will have white fur?
a) 100%
b) 75%
c) 50%
d) 0%

Transferring genes from the genetic material of one organism to another is called:
a) genetic engineering
b) genome
c) incomplete dominance
d) pedigree

When dominant and recessive traits are combined in the heterozygous state and result in a BLENDING of the traits:
a) multiple alleles
b) polygenic inheritance
c) codominance
d) incomplete dominance

Which of the following is NOT an inherited trait?
a) happy personality
b) green eyes
c) almond shaped eyes
d) round face

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