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WorksheetsChapter 5 inheritance unit 5.2
Total questions: 26
Worksheet time: 14mins
Which of the following is heterozygous?
MM
Mm
mm
Which of the following is homozygous dominant?
RR
Rr
rr
What term denotes the physical expression of a gene?
genotype
phenotype
appearance
homologous
Which of the following laws claims that alleles will come together independently of each other in the offspring?
Law of Independent Assortment
Law of Probable Expression
Law of Typical Collection
Law of Assorted Assignment
Which of the following laws claims that alleles will separate during meiosis, one going to half the sex cells, the other allele going to the other half.
Law of Domination
Law of Segregation
Law of Speciation
Law of Genetics
If Y (yellow) is the dominant allele for pea plant seed color, which of the following would produce green seeds?
yy
Yy
YY
gg
The figure shows a monohybrid cross between durian tree P and durian tree Q. 50% of the offspring are tall and 50% are dwarf.
If durian tree R is crossed with durian tree S, what percentage of the tree produced will be dwarf?
0%
25%
50%
75%
What is the genotype of the offspring in the F1 generation in a monohybrid cross between BB X bb?
100% are Bb
100% are BB
100% are bb
75% are Bb and 25% are bb
Diagram shows the Punnett's square used to determine the F1 generation when two tall plants were crossed.
What is the percentage of short plants obtained?
100%
75%
50%
25%
In plants, green seed colour is controlled by a recessive allele. A plant with green seed colour was crossed with a plant which is heterozygous for yellow seed colour. What is the probability to produce an offspring with yellow seed colour?
0.25
0.50
0.75
1.00
The figure shows a pair of homologous chromosomes. The alphabets represent the genes in the chromosomes.
T and t represent
Alleles
Genotype
Phenotype
Linked genes
The alleles of a gene pair in a heterozygote are both expressed with no blending.
codominance
incomplete dominance
polygenic
multiple alleles
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete Dominant
Codominant
Independent assortment
Recessive inheritance
Which of the following characteristics regarding with Mendel's First Law is correct?
each characteristic is controlled by more than one pair of alleles
each member from a pair of alleles can randomly combine with a member from another pair of alleles
the ratio resulting from this cross-breeding is 3 recessive : 1 dominant
only one allele from each allele pairs are found in a sole gamete
Apakah genotip anak dalam generasi F1 hasil kacukan monohibrid antara BB X bb?
100% ialah Bb
100% ialah BB
100% ialah bb
75% adalah Bb dan 25% ialah bb
Dalam tumbuhan, biji berwarna hijau dikawal oleh sepasang alel resesif. Sebatang pokok dengan biji berwarna hijau dikacukkan dengan sebatang pokok heterozigot dengan biji berwarna kuning. Apakah kebarangkalian menghasilkan anak dengan biji berwarna kuning?
Rajah menunjukkan kariotip seorang individu.
Which of the following shows the number of chromosomes in a gamete produced by the individual?
Antara yang berikut, yang manakah menunjukkan bilangan kromosom dalam gamet yang dihasilkan oleh individu itu?
Maklumat berikut menunjukkan alel yang dipunyai oleh pasangan suami isteri
B - Dominant allele for normal eyesight
Alel dominan penglihatan normal
b - Recessive allele for colour blindness
Alel resesif buta warna
Which of the following crosses produces male progeny who all have colour blindness? Antara kacukan berikut, yang manakah menghasilkan semua anak lelakinya buta warna?
Sara mempunyui kumpulan darah jenis B. Kumpulan darah yang manakah boleh menjadi penerima darah Sara?
Kumpulan darah manusia ditentukan oleh tiga alel, IA, IB and IO. Apakah genotip yang mungkin bagi seorang yang mempunyai kumpulan darah B?
I IAIA
II IBIB
III IBIO
IV IAIB
Ketidakaturan genetik manakah yang disebabkan oleh gen terangkai seks?
Albinisme
Buta warna
Sindrom Down
Anemia sel sabit
Seorang kanak-kanak lekaki mempunyai kumpulan darah A dan kakaknya mempunyai kumpulan darah B. Kombinasi genotip manakah yang betul yang dipunyai oleh ibubapa mereka?
Mother / Ibu : AB
Mother / Ibu : BB
Mother / Ibu : BO
Mother / Ibu : BO
Sepasang suami isteri nempunyai empat orang anak dengan kumpulan darah O, A, B dan AB. Apakah kumpulan darah yang mungkin bagi pasangan suami isteri tersebut?
Wife / Isteri : B
Wife / Isteri : O
Wife / Isteri : AB
Wife / Isteri : AB
Genotip kumpulan darah seorang individu ialah IAIB. Apakah kumpulan darah orang itu?
Seorang budak perempuan mempunyai kumpulan darah A dan abangnya mempunyai kumpulan darah O. Genotip manakah yang mungkin dipunyai oleh ibu bapa mereka?
