A test cross is made to check the genotype of a trait, which of the following crosses is a test cross?
کسی خاصیت کے جین ٹائپ کو جانچنے کے لیے ٹیسٹ کراس بنایا جاتا ہے، مندرجہ ذیل میں سے کون سا کراس ٹیسٹ کراس ہے؟
Answer: Unknown x tt
Explanation
The cross of an organism with an unknown dominant genotype with an organism that is homozygous recessive for that trait is called a test cross.
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