Q. No.Find the correct match-
1. Alpha Thalassemia- 11th chromosome
2. Beta Thalassemia - 16th chromosome’
3. Alpha Thalassemia- linked genes
4. Thalassemia- Qualitative trait
1. Alpha Thalassemia- 11th chromosome
2. Beta Thalassemia - 16th chromosome’
3. Alpha Thalassemia- linked genes
4. Thalassemia- Qualitative trait
The F1 progeny in monohybrid crosses by Mendel resembled:
1. The parent exhibiting dominant trait completely
2. The parent exhibiting recessive trait completely
3. The parent exhibiting dominant trait partly
4. The parent exhibiting recessive trait partly
Genes which code for a pair of contrasting traits or slightly different forms of the same gene are known as:
1.Alleles
2. Loci
3. Cistrons
4. Introns
When Mendel self hybridized F1 progeny of a dihybrid cross between pure Yellow Round seeded plants and Green Wrinkled plants, he observed that yellow and green colour segregated in a ratio of:
1. 1 : 1
2. 3 : 1
3. 9 : 3 : 3 : 1
4. 1 : 2 : 1
In 1900 Mendel’s work was rediscovered by:
1. Korana, Nirenberg and Mathei
2. De Vries, Correns and von Tschermak
3. Avery, McCleod and McCarty
4. Watson, Crick and Wilkins
In humans, the mechanism of sex determination is:
1. XX – XY; male heterogamety
2. XX – XY; female heterogamety
3. XX – XO; male heterogamety
4. XX – XO; female heterogamety
A couple has a daughter. What is the probability that their next child will be a daughter?
1. 0 %
2. 25 %
3. 50 %
4. 100 %
Thalesemia is inherited as a/an ____________ condition.
1. Autosomal recessive
2. Autosomal dominant
3. Sex linked recessive
4. Sexlinked dominant
The point mutation in sickle cell anaemia leads to a change in codon. Identify the correct change:
1. UGA to UAA
2. GUG to GAG
3. GAG to GUG
4. UAA to UGA
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