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WorksheetsMendelian Genetics
Total questions: 21
Worksheet time: 19mins
The same gene can come in different versions, the different versions of a gene are called
(a)
Which Combination is Heterozygous
AA
Aa
aa
none of the above
Another word for heterozygous is
purebred
hybrid
dominant
recessive
Which of the following would produce a recessive phenotype?
hh
Rr
Ww
BB
If your genotype is Bb, then you can only pass a B or b separately to your child but you can't pass both.
Law of Dominance
Law of Segregation
Law of Independent Assortment
A recessive allele is only expressed when a dominant allele is not present
Law of dominance
Law of inheritance
What is the genotypic ratio for the monohybrid cross between blues and brown eyes? (a)
What is the phenotypic ratio for the monohybrid cross between blues and brown eyes?
0:2:1
1:2:1
3:1
2:2
Based on the results in the monohybrid punnett, what is the percent chance of having a child with blue eyes?
75%
50%
25%
0%
Segments of DNA that code for traits are called ....
genes
proteins
alleles
How many alleles do you inherit from EACH parent for a specific trait?
1
2
The physical expression of a trait is called the ...
genotype
phenotype
Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring do you predict will be tall?
1/4
2/4
3/4
4/4
Which of the following is a PHENOTYPE for flower color in pea plants?
Pp
PP
Purple
Mendel's Law of Segregation is shown on the outside of a Punnett Square. According to this law, the genes from each parent _____ when gametes are formed.
combine as one
separate
mutliply
