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Heredity 1
Test Description: Hereidty
Instructions: Answer all questions to get your test result.
1) The one thing that Gregor Mendel realized could explain the results of his experiments was that
A
the traits were appearing at random
B
his important research would open the door to modern genetics
C
the male traits were always the dominant ones
D
each trait had two sets of instructions, one from each parent
2) What carries the genes that determine sex?
A
pedigree
B
homologous chromosomes
C
sex chromosomes
D
phenotype
3) Instructions for an inherited trait are called
A
alleles
B
phenotype
C
genes
D
albinism
4) The different forms of a gene that decided a characteristic are known as
A
genes
B
alleles
C
pheontypes
D
albinism
5) What did Mendel discover about recessive traits?
A
recessive traits become dominant
B
Recessive traits reappear in the second generation
C
recessive traits never appear in the second genearation
D
recessive traits disappear altogether
6) Which one of the following is the name for the way cells divide in asexual reproduction?
A
homolgous
B
mitosis
C
twins
D
meiosis
7) This diagram is used to trace a trait through generations of a family.
A
generation sqare
B
selective breeding
C
meiosis
D
pedigree
8) what are chromosomes that carry the same sets of genes?
A
ordinary chromosomes
B
twin chromosomes
C
homologous chromosomes
D
asexual chromosomes
9) What is a feature that has different forms in a population?
A
pedigree
B
trait
C
fertilization
D
characteristic
10) Sex-linked disordered are caused by males' having
A
one X and one Y chromsomes
B
two X chromosomes
C
only one X chromosomes
D
two Y chromosomes
*select an answer for all questions
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