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WorksheetsHeredity/Genetics practice
Total questions: 19
Worksheet time: 10mins
Which of these genotypes is heterozygous?
HH
Hh
hh
Which of these genotypes is homozygous?
ST
Ss
ss
True or False?
There are two alleles for each trait?
True
False
Fill in the blank with the correct word.
In ________-_________________ pollen from a plant fertilizes the same plant
cross-pollination
Self-pollination
Gregor-Mendel
(a) is the study of heredity
Red (R) is dominant over pink(r). What is the homozygous genotype for red flower?
(a)
One version of a gene that codes for a characteristic. It can be dominant or recessive
Gene
Allele
recessive
The trait observed when only one type of allele is present. The trait that masks the recessive allele.
Heredity
Allele
dominant
___________________ is a section of DNA that has instructions for an inherited trait
allele
gene
dominant
___________________is the name for the pair of inherited alleles for a gene which we represent using two letters (AA or Aa or aa)
phenotype
gene
genotype
___________________is the physical characteristic because of their genotype.
phenotype
gene
genotype
Check off those that represent a homozygous genotype
BB
Bb
bb
TR
Check off those that represent a heterozygous genotype
BB
Bb
bb
Tt
If you have XX chromosomes you are a ____________
Male
Female
If you have XY chromosomes you are a ____________
Male
Female
Which type of cell division does this represent?
Mitosis
Meiosis
Which type of cell division does this represent?
Mitosis
Meiosis
Cell division that creates exact copies of the original cells and is used for growth and development is called....
Mitosis
Meiosis
Cell division that creates our gametes (sex cells), which contain ½ the number of chromosomes as our body cells is called....
Mitosis
Meiosis
