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klio [65]
3 years ago
15

Assume that the mother's genotype is AZ/az, and the father's genotype is Az/aZ, and the recombination rate is 10%. What are the

probabilities of an 'az' gamete from each parent
Biology
1 answer:
attashe74 [19]3 years ago
8 0

Answer:

0.45 from mom and 0.05 from dad.

Explanation:

The recombinant progeny might occur due to the crossing over at the time of meiosis in which the exchange of chromosomes occur in the homologous chromosomes of non sister chromatids.

The progeny receives half of their chromosome from the mother and half from the father. The mother 50% AZ and 50% az chromosomes respectively. The 10% recombination has occured due to which the mother chromosomes is reduce upto 45%. The recombinant  10% will be aZ and Az and has 5% frequency. Mom has the ability of az chromosomes is 0.45 %. The father has the genotype 50% Az and 50% aZ. The 10% recombination has occured due to which the father chromosomes is reduce upto 45%. The recombinant will be az and AZ with 5% frequency. So, father has az with 0.05 % probability.

Thus, the answer is 0.45 from mom and 0.05 from dad.

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The five senses are eyesight, hearing, taste, touch and smell. We all use those five senses just about everyday. We use are eyesight to see around us. We use are hearing to hear any noise that is near us. We use are taste everyday normally also and we use it to eat or drink and when we do we can feel how it taste and sense how it taste. We use and touch to feel things around or near us. We touch things all the time, not just with are hands. We smell things all the time also it never stops, we can smell food, flowers anything that has a sent.

7 0
2 years ago
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Alenkasestr [34]

Gametic cells

Mutations on somatic cells cannot be passed down to offspring. Rather mutations born on gametic cells are what can be passed down. This is because gametes are the cells involved in fertilization to form zygote that develops into individual organisms.  

Explanation:

Mutation on gametic cells can occur within the time from the pre-gametic cell to the formation of a mature gamete such as sperm or egg.

Radiation from nuclear reactor accidents in Japan in April 2011, may damage the cell of the body both somatic and gametic. But only those in the gametic cells are passed down Children born to these Japanese people. Radiation causes double-stranded breaks in DNA that are hard to repair by repair mechanisms in the cell leading to mutations.

Learn More:

For more on somatic vs gametic cell  check out;

brainly.com/question/2615295

brainly.com/question/8726110

brainly.com/question/2916512

brainly.com/question/10850426

#LearnWithBrainly

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(ii)                Posterior lobe.

The pituitary gland is controlled by hormones and neurons that comes in the hypothalamus where it acts as a link between brain and endocrine system, and hypothalamus is the endocrine gland itself. Hypothalamus has neurons which regulate secretion of anterior lobe hormones by secreting inhibit and releasing  hormones. Every hormone produced by anterior lobe has a releasing hormone.

Prolactin and growth hormones have inhibiting hormone. Releasing hormone helps in stimulating production and it releases hormones from the anterior lobe.

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