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joja [24]
3 years ago
12

PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.

Biology
1 answer:
koban [17]3 years ago
3 0
It’s definitely b

hope this helps
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A parking lot paved with asphalt is abandoned describe the parking lot 5 years after it's abandoned
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3 years ago
Humans have a gene, "T" that is involved in muscle formation of the tongue. Individuals with the one allele can roll their tongu
zhuklara [117]

Answer:

Tongue-rolling is dominant, and both parents were heterozygous

Explanation:

Tongue rolling is a type of variation in human beings. When allelic genes are not identical as in Tt, the condition is referred to as heterozygous. An individual with such a genotypic condition is referred to as a heterozygote.

Both parents had a genotype of Tt and they could roll their tongues because T is dominant over the t gene.

              T     t

  T         TT   Tt

   t         Tt     tt

TT : Tt : tt

1 : 2 : 1

In a heterozygous parent Tt, the chance of producing T gamete from both parents is each 1/2 each. Similarly the chance of forming t gamete is 1/2. Therefore, the chance of gamete T and t fusing to get genotype Tt is 1/2*1/2=1/4.

The ratios of phenotypes are 3/4 will be able to roll the tongue and 1/4 will not be able to roll the tongue.

The mode of inheritance was monohybrid inheritance since one characteristic like tongue-rolling is controlled by a single pair of hereditary factors contributed by both parents.

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Where are photoreceptors located.
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The Retina

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A short explanation on circulatory system
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The system that moves blood throughout the body.

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The correct answers are:
A-Chemical energy is released.
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3 0
3 years ago
Read 2 more answers
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