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WorksheetsHonors Biology Genetics and Meiosis
Total questions: 15
Worksheet time: 8mins
The law of segregation explains that
alleles of a gene separate from each other during meiosis.
different alleles of a gene can never be found in the same organism.
each gene of an organism ends up in the same gamete.
all of the above
When Mendel was experimenting with pea plants, he noted that the traits for seed color and plant height were inherited separately. This observation most directly contributed to an understanding of
codominance
independent assortment
crossing-over
fertilization
When a mouse with black fur is crossed with a mouse with white fur, all first generation (F1) offspring have grey fur. What kind of inheritance is this?
simple dominant
codominance
sex linked
incomplete dominance
Which statement describes how two organisms may show the same trait, yet have different genotypes for that phenotype?
Both are heterozygous for the dominant trait
Both are homozygous for the dominant trait
One is homozygous dominant and the other heterozygous dominant
One is homozygous dominant and the other homozygous recessive
A Punnett square can be used to
predict the traits of the offspring produced by genetic crosses.
determine the actual outcomes of genetic crosses.
predict the traits of the parents used in genetic crosses.
decide which organisms are best to use in genetic crosses.
Gametes have
homologous chromosomes.
twice the number of chromosomes found in body cells.
two sets of chromosomes.
one allele for each gene.
During meiosis, Independent assortment and Crossing over increase genetic diversity and variation.
True
False
Unlike mitosis, meiosis results in the formation of
diploid cells.
haploid cells.
2N daughter cells.
body cells.
What is formed at the end of meiosis?
two genetically identical cells
four genetically different cells
four genetically identical cells
two genetically different cells
The different forms of a gene are called
pollinations.
traits.
alleles.
hybrids
From the image which 2 genes are MOST likely NOT going to separate at crossing over?
speck body and star eye
purple eye and light eye
short legs and reduced bristles
curved wing and Cinnabar eye
Red blood cells have alleles of the gene represented by the letter I. What are the possible genotypes for type A blood?
IAIA or IAi
IAIB or IAIA
ii or IAi
IBi or IAi
Red blood alleles of the gene are represented by the letter I. What are the possible genotypes for type O blood?
ii
IAi
IBi
IAIB
On the attached table are the crossing over frequencies of genes. What would be the likely arrangement of genes on the chromosome based on the table?
C, B, A D
A, C, B, D
B, C, A, D
D, C, B, A
Based in the Punnett square in the image, what would the genotypes of the parents be?
BB and Bb
Bb and Bb
BB and bb
BB and BB
