At ovulation
During meiosis
During cleavage
At fertilization
D. At fertilization
Diabetes
Phenylketonuria
Colour-blindness
Down's syndrome
all tall
50% tall and 50% dwarf
all dwarf
data insufficient
Survival of the dominant
Survival of the recessive
Hardly-Weinberg law
None of these
Similar triplet codes for amino acids
Energy is stored by high energy rich phosphate bonds
Types of protein present in the body.
Ribosomes act at sites of protein synthesis
prophase
metaphase
interphase
telophase
Genome
Genepool
Genotype
Phenotype
heterosis
hybridization
hypostasis
dominance
homozygote
allelomorph
hybrid
ecotype
megachromosome
heterosome
polytene chromosome
super numerary chromosome
transitions
transversions
intragenic complimentation
intergenic complimentation
meiosis only
meiosis II and mitosis
mitosis only
meiosis I and mitosis
Mast and Pantin
Watson and Crick
Corren, Tschermark and Hugo de Vries
Khorana and Nirenberg
lethal
sex-linked
inbred
dominance
25
25.6
26
26.5
transformation
transduction
genetic engineering
sex-duction
X-rays
UV-rays
-rays
5-Bromo-Uracil
deficiency of vitamic C
sex-linked abnormality
absence of rods in retina
absence of visual purple in retina
monosomy
trisomy
triploidy
polyploidy
Homozygous
Heterozygous
Hemizygous
Incomplete dominance
the percentage of crossing over between themis high
hardly any cross-overs detected
no crossing-over can ever take place between them
only double cross overs can take place between them.
monohybrid
dihybrid
trihybrid
backcross
Watson
Crick
Temin
Porter
a pair of homologous chromosomes
a pair of non-homologous chromosomes
a pair of sister chromosomes
a pair of non-sister chromosomes
XXY
XXXY
XXYY
All of these
crossing over
synapse
chiasmata
terminalization
cause the death of the organism in which they are present
cause the death of the homozygous infant being formed
cause the death of heterozygous infant being formed
all of the above
none of her daughters are colour-blind
all her sons are colour-blind
all her daughters are colour-blind
half of her sons are colour-blind
Herting and Van Beneden
Sutton and Boveri
Hofmeister and Waldeyer
Farmer and Moore
Curly hair
Sickle-cell anaemia
Colour-blindness
Down's syndrome