Genetics And Heredity Question Preview (ID: 41355)
Genetics And Heredity Review.
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The purpose of meiosis is to make sperm and egg cells, also known as
a) zygotes
b) chromosomes
c) gametes
d) alleles
Meiosis is a type of
a) dominant trait
b) asexual reproduction
c) sexual reproduction
d) gene
What is the order of the stages of the meiosis?
a) anaphase 1, anaphase 2, metaphase 1, metaphase 2, prophase 1, prophase 2, telophase 1, telophase 2
b) metaphase 2, anaphase 2, telophase 2, prophase 2, metaphase 1, anaphase 1, telophase 1, prophase 1
c) prophase 1, metaphase 1, anaphase 1, telophase 1, prophase 2, metaphase 2, anaphase 2, telophase 2
d) prophase 1, prophase 2, metaphase 1, anaphase 2, telophase 1, telophase 2, metaphase 2, anaphase 1
A random change made when a gene is reproduced slightly different from the original gene during reproduction is called a
a) dominant trait
b) mutation
c) clone
d) daughter cell
Which one is an example of heterozygous alleles?
a) dominant
b) Tt
c) TT
d) tt
What type of allele overwhelms or masks (hides) another allele?
a) heterozygous
b) homozygous
c) dominant
d) recessive
Factors that determine traits and are passed from parents to offspring are called
a) phenotypes
b) genes
c) Punnett squares
d) heterozygous
Which of the following describes an organism that has two different alleles for a trait?
a) heterozygous
b) homozygous
c) dominant
d) recessive
What is the resulting offspring of different species or varieties called?
a) hybrid
b) purebred
c) dominant
d) recessive
Who is considered the father of genetics?
a) Charles Darwin
b) Gregor Mendel
c) James Watson
d) Francis Crick
If an offspring is said to be homozygous recessive, which of the following could be its genotype?
a) RrSs
b) TTss
c) Tt
d) ss
If you wanted to determine the phenotype of an organism and do not know the genotype, what would you do?
a) Do a DNA sequence of the parents
b) Do a DNA fingerprint of the organism
c) Look at the physical characteristics of the organism
d) Do a Punnett square
This cross is used to predict the probability of an inherited trait
a) allele
b) mutation
c) Punnett square
d) clone
The genetic code or allele combination of an organism is
a) phenotype
b) genotype
c) dominant
d) recessive
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